target: riscv: convert 'unsigned' to 'unsigned int'

Change-Id: I10b9abf9e42389eb91b210b8c2f01219ca9068cd
Signed-off-by: Mark Zhuang <[email protected]>
Reviewed-on: https://review.openocd.org/c/openocd/+/8366
Tested-by: jenkins
Reviewed-by: Antonio Borneo <[email protected]>

Author: zqb-all

src/target/riscv/riscv-013.c

@@ -50,8 +50,7 @@ static bool riscv013_is_halted(struct target *target);
 static enum riscv_halt_reason riscv013_halt_reason(struct target *target);
 static int riscv013_write_debug_buffer(struct target *target, unsigned int index,
 		riscv_insn_t d);
-static riscv_insn_t riscv013_read_debug_buffer(struct target *target, unsigned
-		index);
+static riscv_insn_t riscv013_read_debug_buffer(struct target *target, unsigned int index);
 static int riscv013_execute_debug_buffer(struct target *target);
 static void riscv013_fill_dmi_write_u64(struct target *target, char *buf, int a, uint64_t d);
 static void riscv013_fill_dmi_read_u64(struct target *target, char *buf, int a);