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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<tr><td><span title='2023-09-22 01:29:21 +0800'>2023-09-22</span></td><td><a href='/guix/commit/gnu/packages/instrumentation.scm?id=d9b13b1e0f33df1541a8da1d679e7e0cc935211c'>gnu: barectf: Update to 3.1.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/instrumentation.scm (barectf): Update to 3.1.2.
[source]: Switch to GIT-FETCH.
[build-system]: Change to PYPROJECT-BUILD-SYSTEM.
[arguments]: Remove version pins.  Set CC before building.
[native-inputs]: Add PYTHON-POETRY-CORE and PYTHON-PYTEST.  Remove
GCC-TOOLCHAIN, GNU-MAKE, PYTHON-PYYAML-5, and PYTHON-TOX.  Move PYTHON-JINJA2,
PYTHON-JSONSCHEMA, and PYTHON-TERMCOLOR ...
[propagated-inputs]: ... here.  Add PYTHON-PYYAML.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2023-08-20 23:11:21 +0200'>2023-08-20</span></td><td><a href='/guix/commit/gnu/packages/instrumentation.scm?id=f313a5116f040c4c638ee2c6ef7feef5ae8f1f9f'>gnu: lttng-ust: Update to 2.13.6.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/instrumentation.scm (lttng-ust): Update to 2.13.6.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>fanquake</td></tr>