Allow ILP32 compilation in AArch64 assembly pack.

Reviewed-by: Tim Hudson <tjh@openssl.org>

crypto/sha/asm/sha1-armv8.pl

diff --git a/crypto/sha/asm/sha1-armv8.pl b/crypto/sha/asm/sha1-armv8.pl
index a8c08c2..5ef9dc2 100644
--- a/crypto/sha/asm/sha1-armv8.pl
+++ b/crypto/sha/asm/sha1-armv8.pl
@@ -171,7 +171,11 @@
 .type	sha1_block_data_order,%function
 .align	6
 sha1_block_data_order:
+#ifdef	__ILP32__
+	ldrsw	x16,.LOPENSSL_armcap_P
+#else
 	ldr	x16,.LOPENSSL_armcap_P
+#endif
 	adr	x17,.LOPENSSL_armcap_P
 	add	x16,x16,x17
 	ldr	w16,[x16]
@@ -309,7 +313,11 @@
 .long	0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc	//K_40_59
 .long	0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6	//K_60_79
 .LOPENSSL_armcap_P:
+#ifdef	__ILP32__
+.long	OPENSSL_armcap_P-.
+#else
 .quad	OPENSSL_armcap_P-.
+#endif
 .asciz	"SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
 .align	2
 .comm	OPENSSL_armcap_P,4,4

crypto/sha/asm/sha512-armv8.pl

diff --git a/crypto/sha/asm/sha512-armv8.pl b/crypto/sha/asm/sha512-armv8.pl
index d009f3f..7d69f0f 100644
--- a/crypto/sha/asm/sha512-armv8.pl
+++ b/crypto/sha/asm/sha512-armv8.pl
@@ -169,7 +169,11 @@
 $func:
 ___
 $code.=<<___	if ($SZ==4);
+#ifdef	__ILP32__
+	ldrsw	x16,.LOPENSSL_armcap_P
+#else
 	ldr	x16,.LOPENSSL_armcap_P
+#endif
 	adr	x17,.LOPENSSL_armcap_P
 	add	x16,x16,x17
 	ldr	w16,[x16]
@@ -311,7 +315,11 @@
 .size	.LK$BITS,.-.LK$BITS
 .align	3
 .LOPENSSL_armcap_P:
+#ifdef	__ILP32__
+	.long	OPENSSL_armcap_P-.
+#else
 	.quad	OPENSSL_armcap_P-.
+#endif
 .asciz	"SHA$BITS block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
 .align	2
 ___