arm: omap: Introduce vcores_init function

The pmic registers for variants of am57xx boards are different
hence we need to assign them carefully based on the board type.
Add a function to assign omap_vcores after the board detection.

Signed-off-by: Keerthy <j-keerthy@ti.com>

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

@@ -112,6 +112,16 @@ void __weak do_board_detect(void)
 {
 }
 
+/**
+ * vcores_init() - Assign omap_vcores based on board
+ *
+ * Function to pick the vcores based on board. This is expected to be
+ * overridden in the SoC family board file where desired.
+ */
+void __weak vcores_init(void)
+{
+}
+
 void s_init(void)
 {
 }
@@ -149,6 +159,7 @@ void early_system_init(void)
 #endif
 	setup_early_clocks();
 	do_board_detect();
+	vcores_init();
 	prcm_init();
 }
 

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

@@ -51,6 +51,7 @@ void sdelay(unsigned long);
 void setup_early_clocks(void);
 void prcm_init(void);
 void do_board_detect(void);
+void vcores_init(void);
 void bypass_dpll(u32 const base);
 void freq_update_core(void);
 u32 get_sys_clk_freq(void);