arm64/sysreg: Standardise naming for ID_AA64MMFR2_EL1.CnP

The kernel refers to ID_AA64MMFR2_EL1.CnP as CNP. In preparation for
automatic generation of defines for the system registers bring the naming
used by the kernel in sync with that of DDI0487H.a. No functional change.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Kristina Martsenko <kristina.martsenko@arm.com>
Link: https://lore.kernel.org/r/20220905225425.1871461-13-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/include/asm/sysreg.h

@@ -819,7 +819,7 @@
 #define ID_AA64MMFR2_EL1_IESB_SHIFT	12
 #define ID_AA64MMFR2_EL1_LSM_SHIFT	8
 #define ID_AA64MMFR2_EL1_UAO_SHIFT	4
-#define ID_AA64MMFR2_EL1_CNP_SHIFT	0
+#define ID_AA64MMFR2_EL1_CnP_SHIFT	0
 
 /* id_aa64dfr0 */
 #define ID_AA64DFR0_MTPMU_SHIFT		48

arch/arm64/kernel/cpufeature.c

@@ -392,7 +392,7 @@ static const struct arm64_ftr_bits ftr_id_aa64mmfr2[] = {
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_IESB_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_LSM_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_UAO_SHIFT, 4, 0),
-	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_CNP_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_CnP_SHIFT, 4, 0),
 	ARM64_FTR_END,
 };
 
@@ -2380,7 +2380,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
 		.matches = has_useable_cnp,
 		.sys_reg = SYS_ID_AA64MMFR2_EL1,
 		.sign = FTR_UNSIGNED,
-		.field_pos = ID_AA64MMFR2_EL1_CNP_SHIFT,
+		.field_pos = ID_AA64MMFR2_EL1_CnP_SHIFT,
 		.field_width = 4,
 		.min_field_value = 1,
 		.cpu_enable = cpu_enable_cnp,

arch/arm64/kvm/hyp/include/nvhe/fixed_config.h

@@ -120,7 +120,7 @@
  * - E0PDx mechanism
  */
 #define PVM_ID_AA64MMFR2_ALLOW (\
-	ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_CNP) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_CnP) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_UAO) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_IESB) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_AT) | \