Update from https://crrev.com/312398

third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S

Index: third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S
diff --git a/third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S b/third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S
index 45d8bd594f73a511b64dec033f4b3391c8b8ba94..1889fc701ac0947a29b8c4d26d4a060f86ca4064 100644
--- a/third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S
+++ b/third_party/boringssl/linux-arm/crypto/sha/sha512-armv4.S
@@ -1,4 +1,3 @@
-#if defined(__arm__)
 #include "arm_arch.h"
 #ifdef __ARMEL__
 # define LO 0
@@ -56,17 +55,20 @@ WORD64(0x3c9ebe0a,0x15c9bebc, 0x431d67c4,0x9c100d4c)
 WORD64(0x4cc5d4be,0xcb3e42b6, 0x597f299c,0xfc657e2a)
 WORD64(0x5fcb6fab,0x3ad6faec, 0x6c44198c,0x4a475817)
 .size	K512,.-K512
+#if __ARM_MAX_ARCH__>=7
 .LOPENSSL_armcap:
 .word	OPENSSL_armcap_P-sha512_block_data_order
 .skip	32-4
+#else
+.skip	32
+#endif
 
 .global	sha512_block_data_order
-.hidden	sha512_block_data_order
 .type	sha512_block_data_order,%function
 sha512_block_data_order:
 	sub	r3,pc,#8		@ sha512_block_data_order
 	add	r2,r1,r2,lsl#7	@ len to point at the end of inp
-#if __ARM_ARCH__>=7
+#if __ARM_MAX_ARCH__>=7
 	ldr	r12,.LOPENSSL_armcap
 	ldr	r12,[r3,r12]		@ OPENSSL_armcap_P
 	tst	r12,#1
@@ -439,7 +441,8 @@ sha512_block_data_order:
 	moveq	pc,lr			@ be binary compatible with V4, yet
 	.word	0xe12fff1e			@ interoperable with Thumb ISA:-)
 #endif
-#if __ARM_ARCH__>=7
+#if __ARM_MAX_ARCH__>=7
+.arch	armv7-a
 .fpu	neon
 
 .align	4
@@ -1762,11 +1765,11 @@ sha512_block_data_order:
 	bne		.Loop_neon
 
 	vldmia	sp!,{d8-d15}		@ epilogue
-	.word	0xe12fff1e
+	bx	lr				@ .word	0xe12fff1e
 #endif
 .size	sha512_block_data_order,.-sha512_block_data_order
 .asciz	"SHA512 block transform for ARMv4/NEON, CRYPTOGAMS by <appro@openssl.org>"
 .align	2
+#if __ARM_MAX_ARCH__>=7
 .comm	OPENSSL_armcap_P,4,4
-
 #endif