arm64/sysreg: Update ID_AA64ISAR3_EL1 to DDI0601 2024-09

DDI0601 2024-09 defines several new feature flags in ID_AA64ISAR3_EL1,
update our description in sysreg to reflect these.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241211-arm64-2024-dpisa-v4-2-0fd403876df2@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

Author: broonie

arch/arm64/tools/sysreg

@@ -1574,7 +1574,23 @@ EndEnum
 EndSysreg
 
 Sysreg	ID_AA64ISAR3_EL1	3	0	0	6	3
-Res0	63:16
+Res0	63:32
+UnsignedEnum	31:28	FPRCVT
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	27:24	LSUI
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	23:20	OCCMO
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	19:16	LSFE
+	0b0000	NI
+	0b0001	IMP
+EndEnum
 UnsignedEnum	15:12	PACM
 	0b0000	NI
 	0b0001	TRIVIAL_IMP