ARM: DRA7xx: Correct the SYS_CLK to 20MHZ

The sys_clk on the dra evm board is 20MHZ.
Changing the configuration for the same.
And also moving V_SCLK, V_OSCK defines to
arch/clock.h for OMAP4+ boards.

Signed-off-by: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/cpu/armv7/omap-common/timer.c

@@ -35,6 +35,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
+#include <asm/arch/clock.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

arch/arm/include/asm/arch-omap4/clock.h

@@ -214,6 +214,10 @@
 #define DPLL_NO_LOCK	0
 #define DPLL_LOCK	1
 
+/* Clock Defines */
+#define V_OSCK			38400000	/* Clock output from T2 */
+#define V_SCLK                   V_OSCK
+
 struct omap4_scrm_regs {
 	u32 revision;           /* 0x0000 */
 	u32 pad00[63];

arch/arm/include/asm/arch-omap5/clock.h

@@ -284,4 +284,12 @@
  * into microsec and passing the value.
  */
 #define CONFIG_DEFAULT_OMAP_RESET_TIME_MAX_USEC	31219
+
+#ifdef CONFIG_DRA7XX
+#define V_OSCK			20000000	/* Clock output from T2 */
+#else
+#define V_OSCK			19200000	/* Clock output from T2 */
+#endif
+
+#define V_SCLK	V_OSCK
 #endif /* _CLOCKS_OMAP5_H_ */

include/configs/omap4_common.h

@@ -45,10 +45,6 @@
 #define CONFIG_DISPLAY_CPUINFO		1
 #define CONFIG_DISPLAY_BOARDINFO	1
 
-/* Clock Defines */
-#define V_OSCK			38400000	/* Clock output from T2 */
-#define V_SCLK                   V_OSCK
-
 #define CONFIG_MISC_INIT_R
 
 #define CONFIG_OF_LIBFDT		1

include/configs/omap5_common.h

@@ -45,10 +45,6 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
-/* Clock Defines */
-#define V_OSCK			19200000	/* Clock output from T2 */
-#define V_SCLK	V_OSCK
-
 #define CONFIG_MISC_INIT_R
 
 #define CONFIG_OF_LIBFDT