[PATCH] RISC-V: Ignore Zicfiss and Zicfilp for now

These two are part of the CFI[1] and do not seem to need any
sort of special handling as yet. Just add these to list of
known extensions to stop annoying warnings from current
Linux kernel builds.

[1] (https://docs.riscv.org/reference/isa/priv/priv-cfi.html
Signed-off-by: Ben Dooks <[email protected]>
---
 target-riscv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target-riscv.c b/target-riscv.c
index cd6104b2..5b13202c 100644
--- a/target-riscv.c
+++ b/target-riscv.c
@@ -48,6 +48,8 @@ static void parse_march_riscv(const char *arg)
 		{ "_zacas",	RISCV_ATOMIC_CAS },
 		{ "_zabha",	RISCV_ATOMIC_BH },
 		{ "_zicsr",	RISCV_ZICSR },
+		{ "_zicfilp",	0 },
+		{ "_zicfiss'",	0 },
 		{ "_zifencei",	RISCV_ZIFENCEI },
 		{ "_zicbom",	RISCV_ZICBOM },
 		{ "_zihintpause",	RISCV_ZIHINTPAUSE },
-- 
2.37.2.352.g3c44437643