arm64/sysreg: Standardise naming for ID_DFR1_EL1

To convert the 32bit id registers to use the sysreg generation, they
must first have a regular pattern, to match the symbols the script
generates.

Ensure symbols for the ID_DFR1_EL1 register have an _EL1 suffix.

No functional change.
Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20221130171637.718182-13-james.morse@arm.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/sysreg.h

@@ -706,7 +706,7 @@
 #define ID_ISAR4_EL1_WithShifts_SHIFT		4
 #define ID_ISAR4_EL1_Unpriv_SHIFT		0
 
-#define ID_DFR1_MTPMU_SHIFT		0
+#define ID_DFR1_EL1_MTPMU_SHIFT		0
 
 #define ID_ISAR0_EL1_Divide_SHIFT	24
 #define ID_ISAR0_EL1_Debug_SHIFT	20

arch/arm64/kernel/cpufeature.c

@@ -578,7 +578,7 @@ static const struct arm64_ftr_bits ftr_id_dfr0[] = {
 };
 
 static const struct arm64_ftr_bits ftr_id_dfr1[] = {
-	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_DFR1_MTPMU_SHIFT, 4, 0),
+	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_DFR1_EL1_MTPMU_SHIFT, 4, 0),
 	ARM64_FTR_END,
 };