configs: convert CONFIG_SYS_MPUCLK to Kconfig

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
index 4c9352a..c06b01b 100644
--- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
+++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
@@ -19,11 +19,6 @@
 #define MPUPLL_M_550	550
 #define MPUPLL_M_300	300
 
-/* MAIN PLL Fdll = 550 MHz, by default */
-#ifndef CONFIG_SYS_MPUCLK
-#define CONFIG_SYS_MPUCLK	MPUPLL_M_550
-#endif
-
 #define UART_RESET		(0x1 << 1)
 #define UART_CLK_RUNNING_MASK	0x1
 #define UART_SMART_IDLE_EN	(0x1 << 0x3)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 5bca20e..d3f3802 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -148,6 +148,11 @@
 
 endchoice
 
+config SYS_MPUCLK
+	int "MPU CLK speed"
+	default 550
+	help
+	  Defines the MPU clock speed (in MHz).
 
 config TI_SECURE_DEVICE
 	bool "HS Device Type Support"