Fix MISRA rule 8.3

Rule 8.3: All declarations of an object or function shall
              use the same names and type qualifiers.

Fixed for:
make DEBUG=1 PLAT=juno SPD=tspd CSS_USE_SCMI_SDS_DRIVER=1 all

Change-Id: Id9dcc6238b39fac6046abc28141e3ef5e7aa998d
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>

plat/arm/css/drivers/sds/sds.h

@@ -80,7 +80,7 @@ typedef enum {
 } sds_access_mode_t;
 
 int sds_init(void);
-int sds_struct_exists(uint32_t structure_id);
+int sds_struct_exists(unsigned int structure_id);
 int sds_struct_read(uint32_t structure_id, unsigned int fld_off, void *data,
 		size_t size, sds_access_mode_t mode);
 int sds_struct_write(uint32_t structure_id, unsigned int fld_off, void *data,