arm64/sysreg: Standardise naming for DCZID_EL0 field names

The constants defining field names for DCZID_EL0 do not include the _EL0
that is included as part of our standard naming scheme. In preparation
for automatic generation of the defines add the _EL0 in. No functional
change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220704170302.2609529-8-broonie@kernel.orgSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/sysreg.h

@@ -1099,8 +1099,8 @@
 #define CTR_EL0_IDC_SHIFT		28
 #define CTR_EL0_DIC_SHIFT		29
 
-#define DCZID_DZP_SHIFT			4
-#define DCZID_BS_SHIFT			0
+#define DCZID_EL0_DZP_SHIFT		4
+#define DCZID_EL0_BS_SHIFT		0
 
 #define CPACR_EL1_FPEN_EL1EN	(BIT(20)) /* enable EL1 access */
 #define CPACR_EL1_FPEN_EL0EN	(BIT(21)) /* enable EL0 access, if EL1EN set */

arch/arm64/kernel/cpufeature.c

@@ -453,8 +453,8 @@ static const struct arm64_ftr_bits ftr_mvfr2[] = {
 };
 
 static const struct arm64_ftr_bits ftr_dczid[] = {
-	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, DCZID_DZP_SHIFT, 1, 1),
-	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, DCZID_BS_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, DCZID_EL0_DZP_SHIFT, 1, 1),
+	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, DCZID_EL0_BS_SHIFT, 4, 0),
 	ARM64_FTR_END,
 };