omap3: am3517_evm: Enable TI_COMMON_CMD_OPTION

Enable TI_COMMON_CMD_OPTIONS and remove similar options
from the defconfig. Updated with savedefconfig.

Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Derald D. Woods <woods.technical@gmail.com>
diff --git a/board/logicpd/am3517evm/Kconfig b/board/logicpd/am3517evm/Kconfig
index 901f609..743e500 100644
--- a/board/logicpd/am3517evm/Kconfig
+++ b/board/logicpd/am3517evm/Kconfig
@@ -9,4 +9,6 @@
 config SYS_CONFIG_NAME
 	default "am3517_evm"
 
+source "board/ti/common/Kconfig"
+
 endif