musb: Program extvbus for OMAP3EVM Rev >= E

OMAP3EVM Rev >=E uses external Vbus supply so setting 'extvbus'
to '1' for OMAP3EVM Rev >=E runtime based on EVM revision.

CC: Remy Bohmer <linux@bohmer.net>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c
index fcc1803..9948b9c 100644
--- a/board/ti/evm/evm.c
+++ b/board/ti/evm/evm.c
@@ -65,6 +65,19 @@
 }
 
 /*
+ * MUSB port on OMAP3EVM Rev >= E requires extvbus programming.
+ */
+u8 omap3_evm_need_extvbus(void)
+{
+	u8 retval = 0;
+
+	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+		retval = 1;
+
+	return retval;
+}
+
+/*
  * Routine: board_init
  * Description: Early hardware init.
  */