Set visibility of global symbols used in ARM specific assembly file to
internal.

Taken from Debian:
https://salsa.debian.org/multimedia-team/mpeg2dec/blob/master/debian/patches/60_arm-private-symbols.patch

--- mpeg2dec.orig/libmpeg2/motion_comp_arm_s.S
+++ mpeg2dec/libmpeg2/motion_comp_arm_s.S
@@ -23,7 +23,8 @@
 
 @ ----------------------------------------------------------------
 	.align
-	.global MC_put_o_16_arm
+	.global   MC_put_o_16_arm
+	.internal MC_put_o_16_arm
 MC_put_o_16_arm:
 	@@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
 	pld [r1]
@@ -83,7 +84,8 @@ MC_put_o_16_arm_align_jt:
 
 @ ----------------------------------------------------------------
 	.align
-	.global MC_put_o_8_arm
+	.global   MC_put_o_8_arm
+	.internal MC_put_o_8_arm
 MC_put_o_8_arm:
 	@@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
 	pld [r1]
@@ -152,7 +154,8 @@ MC_put_o_8_arm_align_jt:
 .endm
 
 	.align
-	.global MC_put_x_16_arm
+	.global   MC_put_x_16_arm
+	.internal MC_put_x_16_arm
 MC_put_x_16_arm:
 	@@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
 	pld [r1]
@@ -244,7 +247,8 @@ MC_put_x_16_arm_align_jt:
 
 @ ----------------------------------------------------------------
 	.align
-	.global MC_put_x_8_arm
+	.global   MC_put_x_8_arm
+	.internal MC_put_x_8_arm
 MC_put_x_8_arm:
 	@@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
 	pld [r1]
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<div class='path'>path: <a href='/guix/log/?id=e165a2492d73d37c8b95d6970d453b9d88911ee6'>root</a>/<a href='/guix/log/gnu?id=e165a2492d73d37c8b95d6970d453b9d88911ee6'>gnu</a>/<a href='/guix/log/gnu/services?id=e165a2492d73d37c8b95d6970d453b9d88911ee6'>services</a>/<a href='/guix/log/gnu/services/lirc.scm?id=e165a2492d73d37c8b95d6970d453b9d88911ee6'>lirc.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/lirc.scm?id=e165a2492d73d37c8b95d6970d453b9d88911ee6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-07-21 18:53:27 +0200'>2016-07-21</span></td><td><a href='/guix/commit/gnu/services/lirc.scm?id=24e964314ecfd29b8c592bfb7be923e8f740574c'>services: Export *-service-type and *-configuration.</a><span class='msg-avail'>...</span></td><td>Tomáš Čech</td></tr>
d 'target' support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-05-26 17:16:42 +0200'>2020-05-26</span></td><td><a href='/guix/commit/gnu/image.scm?id=bd3716f6fee127562935d86ff7f641197366769c'>image: Add partition file-system options support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-05-26 13:06:37 +0200'>2020-05-26</span></td><td><a href='/guix/commit/gnu/image.scm?id=1dd7b87f101ce99b37be5c769904c1aa2f6a0615'>image: Set offset default to zero.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-05-26 09:57:06 +0200'>2020-05-26</span></td><td><a href='/guix/commit/gnu/image.scm?id=1b4fa7851b39f087a6433e8b5e22c479ca1da289'>image: Add partition offset support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-05-05 16:13:53 +0200'>2020-05-05</span></td><td><a href='/guix/commit/gnu/image.scm?id=f19cf27c2b9ff92e2c0fd931ef7fde39c376adaa'>image: Add a new API.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>