[PATCH v3 02/17] arm64/sysreg: Add missing ExtTrcBuff field definition to ID_AA64DFR0_EL1

[Fuad Tabba]

Add the ExtTrcBuff field definitions to ID_AA64DFR0_EL1 from
DDI0601 2023-09.

This field isn't used yet. Adding it for completeness and because
it will be used in future patches.

Signed-off-by: Fuad Tabba <tabba at google.com>
---
 arch/arm64/tools/sysreg | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index d596be2599d1..a8e36640c027 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1189,7 +1189,10 @@ Enum	63:60	HPMN0
 	0b0000	UNPREDICTABLE
 	0b0001	DEF
 EndEnum
-Res0	59:56
+UnsignedEnum	59:56	ExtTrcBuff
+	0b0000	NI
+	0b0001	IMP
+EndEnum
 UnsignedEnum	55:52	BRBE
 	0b0000	NI
 	0b0001	IMP
-- 
2.43.0.472.g3155946c3a-goog