target/riscv: dont set mcause and mstatus as cachable

With CLIC extension (smclic), mcause and mstatus CSRs
share mirrored fields for mpp and mpie. Therefore, neither
can be assumed cachable.

Signed-off-by: Samuel Obuch <[email protected]>

Author: sobuch

src/target/riscv/riscv_reg_impl.h

@@ -204,9 +204,7 @@ static inline bool riscv_reg_impl_gdb_regno_cacheable(enum gdb_regno regno,
 		case GDB_REGNO_MISA:
 		case GDB_REGNO_DCSR:
 		case GDB_REGNO_DSCRATCH0:
-		case GDB_REGNO_MSTATUS:
 		case GDB_REGNO_MEPC:
-		case GDB_REGNO_MCAUSE:
 		case GDB_REGNO_SATP:
 			/*
 			 * WARL registers might not contain the value we just wrote, but