arm64/sysreg: Convert ID_ISAR2_EL1 to automatic generation

Convert ID_ISAR2_EL1 to be automatically generated as per DDI0487I.a,
no functional changes.
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20221130171637.718182-25-james.morse@arm.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/sysreg.h

@@ -173,7 +173,6 @@
 #define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
 #define SYS_ID_MMFR5_EL1		sys_reg(3, 0, 0, 3, 6)
 
-#define SYS_ID_ISAR2_EL1		sys_reg(3, 0, 0, 2, 2)
 #define SYS_ID_ISAR3_EL1		sys_reg(3, 0, 0, 2, 3)
 #define SYS_ID_ISAR4_EL1		sys_reg(3, 0, 0, 2, 4)
 #define SYS_ID_ISAR5_EL1		sys_reg(3, 0, 0, 2, 5)

arch/arm64/tools/sysreg

@@ -298,6 +298,52 @@ Enum	3:0	Endian
 EndEnum
 EndSysreg
 
+Sysreg ID_ISAR2_EL1	3	0	0	2	2
+Res0	63:32
+Enum	31:28	Reversal
+	0b0000	NI
+	0b0001	REV
+	0b0010	RBIT
+EndEnum
+Enum	27:24	PSR_AR
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	23:20	MultU
+	0b0000	NI
+	0b0001	UMULL
+	0b0010	UMAAL
+EndEnum
+Enum	19:16	MultS
+	0b0000	NI
+	0b0001	SMULL
+	0b0010	SMLABB
+	0b0011	SMLAD
+EndEnum
+Enum	15:12	Mult
+	0b0000	NI
+	0b0001	MLA
+	0b0010	MLS
+EndEnum
+Enum	11:8	MultiAccessInt
+	0b0000	NI
+	0b0001	RESTARTABLE
+	0b0010	CONTINUABLE
+EndEnum
+Enum	7:4	MemHint
+	0b0000	NI
+	0b0001	PLD
+	0b0010	PLD2
+	0b0011	PLI
+	0b0100	PLDW
+EndEnum
+Enum	3:0	LoadStore
+	0b0000	NI
+	0b0001	DOUBLE
+	0b0010	ACQUIRE
+EndEnum
+EndSysreg
+
 Sysreg ID_MMFR4_EL1	3	0	0	2	6
 Res0	63:32
 Enum	31:28	EVT