arm: mach-k3: Move sdelay() and wait_on_value() declaration

These probably should be in some system wide header given their use.
Until then move them out of K3 sys_proto.h so we can finish cleaning
that header out.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>

arch/arm/mach-k3/include/mach/sys_proto.h

@@ -7,10 +7,6 @@
 #ifndef _SYS_PROTO_H_
 #define _SYS_PROTO_H_
 
-void sdelay(unsigned long loops);
-u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
-		  u32 bound);
-
 void k3_spl_init(void);
 void k3_mem_init(void);
 bool check_rom_loaded_sysfw(void);

drivers/ram/k3-am654-ddrss.c

@@ -18,6 +18,10 @@
 #include <power/regulator.h>
 #include "k3-am654-ddrss.h"
 
+void sdelay(unsigned long loops);
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
+		  u32 bound);
+
 #define LDELAY 10000
 
 /* DDRSS PHY configuration register fixed values */