crypto: arm64/aes-neonbs - replace tweak mask literal with composition

Replace the vector load from memory sequence with a simple instruction
sequence to compose the tweak vector directly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/arm64/crypto/aes-neonbs-core.S

@@ -730,11 +730,6 @@ ENDPROC(aesbs_cbc_decrypt)
 	eor		\out\().16b, \out\().16b, \tmp\().16b
 	.endm
 
-	.align		4
-.Lxts_mul_x:
-CPU_LE(	.quad		1, 0x87		)
-CPU_BE(	.quad		0x87, 1		)
-
 	/*
 	 * aesbs_xts_encrypt(u8 out[], u8 const in[], u8 const rk[], int rounds,
 	 *		     int blocks, u8 iv[])
@@ -806,7 +801,9 @@ ENDPROC(__xts_crypt8)
 	mov		x23, x4
 	mov		x24, x5
 
-0:	ldr		q30, .Lxts_mul_x
+0:	movi		v30.2s, #0x1
+	movi		v25.2s, #0x87
+	uzp1		v30.4s, v30.4s, v25.4s
 	ld1		{v25.16b}, [x24]
 
 99:	adr		x7, \do8