include: Move RISCV_PLATFORM_xyz defines to sbi_platform.h

The struct sbi_platform related defines RISCV_PLATFORM_xyz should
be in sbi_platform.h so that we can keep these defines in-sync
with changes in struct sbi_platform.

Signed-off-by: Anup Patel <anup.patel@wdc.com>

include/sbi/sbi_platform.h

@@ -10,6 +10,13 @@
 #ifndef __SBI_PLATFORM_H__
 #define __SBI_PLATFORM_H__
 
+#define SBI_PLATFORM_NAME_OFFSET		(0x0)
+#define SBI_PLATFORM_FEATURES_OFFSET		(0x40)
+#define SBI_PLATFORM_HART_COUNT_OFFSET		(0x48)
+#define SBI_PLATFORM_HART_STACK_SIZE_OFFSET	(0x4c)
+
+#ifndef __ASSEMBLY__
+
 #include <sbi/sbi_scratch.h>
 
 enum sbi_platform_features {
@@ -240,3 +247,5 @@ static inline int sbi_platform_system_shutdown(struct sbi_platform *plat,
 }
 
 #endif
+
+#endif