powerpc/vdso32: use LOAD_REG_IMMEDIATE()

Use LOAD_REG_IMMEDIATE() to load registers with immediate value.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/36f111437e66e601929308f5d5dce230e1ce472f.1575273217.git.christophe.leroy@c-s.fr

arch/powerpc/kernel/vdso32/gettimeofday.S

@@ -37,8 +37,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	get_datapage	r9, r0
 	cmplwi	r10,0			/* check if tv is NULL */
 	beq	3f
-	lis	r7,1000000@ha		/* load up USEC_PER_SEC */
-	addi	r7,r7,1000000@l		/* so we get microseconds in r4 */
+	LOAD_REG_IMMEDIATE(r7, 1000000)	/* load up USEC_PER_SEC */
 	bl	__do_get_tspec@local	/* get sec/usec from tb & kernel */
 	stw	r3,TVAL32_TV_SEC(r10)
 	stw	r4,TVAL32_TV_USEC(r10)
@@ -81,8 +80,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
   .cfi_register lr,r12
 	mr	r11,r4			/* r11 saves tp */
 	get_datapage	r9, r0
-	lis	r7,NSEC_PER_SEC@h	/* want nanoseconds */
-	ori	r7,r7,NSEC_PER_SEC@l
+	LOAD_REG_IMMEDIATE(r7, NSEC_PER_SEC)	/* load up NSEC_PER_SEC */
 	beq	cr5, .Lcoarse_clocks
 .Lprecise_clocks:
 	bl	__do_get_tspec@local	/* get sec/nsec from tb & kernel */