Add some missing cfi frame info in aesni-gcm-x86_64.S

While preparing #9749 some .cfi_{start,end}proc directives
were missed. Add the missing ones.

See upstream openssl/openssl@275a048f

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #11101

module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S

@@ -55,6 +55,7 @@
 .type	_aesni_ctr32_ghash_6x,@function
 .align	32
 _aesni_ctr32_ghash_6x:
+.cfi_startproc
 	vmovdqu	32(%r11),%xmm2
 	subq	$6,%rdx
 	vpxor	%xmm4,%xmm4,%xmm4
@@ -363,12 +364,14 @@ _aesni_ctr32_ghash_6x:
 	vpxor	%xmm4,%xmm8,%xmm8
 
 	.byte	0xf3,0xc3
+.cfi_endproc
 .size	_aesni_ctr32_ghash_6x,.-_aesni_ctr32_ghash_6x
 #endif /* ifdef HAVE_MOVBE */
 
 .type	_aesni_ctr32_ghash_no_movbe_6x,@function
 .align	32
 _aesni_ctr32_ghash_no_movbe_6x:
+.cfi_startproc
 	vmovdqu	32(%r11),%xmm2
 	subq	$6,%rdx
 	vpxor	%xmm4,%xmm4,%xmm4
@@ -689,6 +692,7 @@ _aesni_ctr32_ghash_no_movbe_6x:
 	vpxor	%xmm4,%xmm8,%xmm8
 
 	.byte	0xf3,0xc3
+.cfi_endproc
 .size	_aesni_ctr32_ghash_no_movbe_6x,.-_aesni_ctr32_ghash_no_movbe_6x
 
 .globl	aesni_gcm_decrypt
@@ -807,6 +811,7 @@ aesni_gcm_decrypt:
 .type	_aesni_ctr32_6x,@function
 .align	32
 _aesni_ctr32_6x:
+.cfi_startproc
 	vmovdqu	0-128(%rcx),%xmm4
 	vmovdqu	32(%r11),%xmm2
 	leaq	-2(%rbp),%r13	// ICP uses 10,12,14 not 9,11,13 for rounds.
@@ -893,6 +898,7 @@ _aesni_ctr32_6x:
 	vpshufb	%xmm0,%xmm1,%xmm1
 	vpxor	%xmm4,%xmm14,%xmm14
 	jmp	.Loop_ctr32
+.cfi_endproc
 .size	_aesni_ctr32_6x,.-_aesni_ctr32_6x
 
 .globl	aesni_gcm_encrypt