fix(literal-size): Change literal from 1ULL to 1UL

When compiling for RV32, the expected size of the argument used is 32-bit.
Using 1ULL forces the argument to be 64-bit since shift operations take the
size of the largest operand. This results in the error Werror=arith-conversion
when compiling for RV32

Signed-off-by: Miguel Silva <[email protected]>

src/arch/riscv/inc/arch/csrs.h

@@ -104,7 +104,7 @@
 #define SSTATUS_XS_DIRTY            (3ULL << SSTATUS_XS_OFF)
 #define SSTATUS_SUM                 (1ULL << 18)
 #define SSTATUS_MXR                 (1ULL << 19)
-#define SSTATUS_SD                  (1ULL << 63)
+#define SSTATUS_SD                  (1ULL << ((REGLEN * 8) - 1))
 
 #define SIE_USIE                    (1ULL << 0)
 #define SIE_SSIE                    (1ULL << 1)