avcodec/x86/utvideodsp.asm : cosmetic

better func separator
and add comment for the restore rgb planes10 declaration

libavcodec/x86/utvideodsp.asm

@@ -30,9 +30,11 @@ pw_1023: times 8  dw 1023
 
 SECTION .text
 
+;-------------------------------------------------------------------------------------------
 ; void restore_rgb_planes(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b,
 ;                         ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b,
 ;                         int width, int height)
+;-------------------------------------------------------------------------------------------
 %macro RESTORE_RGB_PLANES 0
 cglobal restore_rgb_planes, 7 + ARCH_X86_64, 7 + ARCH_X86_64 * 2, 4, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
     movsxdifnidn wq, wd
@@ -82,6 +84,11 @@ INIT_YMM avx2
 RESTORE_RGB_PLANES
 %endif
 
+;-------------------------------------------------------------------------------------------
+; void restore_rgb_planes10(uint16_t *src_r, uint16_t *src_g, uint16_t *src_b,
+;                         ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b,
+;                         int width, int height)
+;-------------------------------------------------------------------------------------------
 %macro RESTORE_RGB_PLANES10 0
 cglobal restore_rgb_planes10, 7 + ARCH_X86_64, 7 + ARCH_X86_64 * 2, 5, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
     shl          wd, 1