configs: omap3_logic_somlv: Remove GPIO from SPL

The SPL is too tight, and it cannot start any longer.  To
help reduce the size of SPL, we need to remove some non-critical
features.

This patch removes SPL_GPIO_SUPPORT to free up some operating space.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/omap3_logic_somlv_defconfig b/configs/omap3_logic_somlv_defconfig
index 656a2d5..cec5e7e 100644
--- a/configs/omap3_logic_somlv_defconfig
+++ b/configs/omap3_logic_somlv_defconfig
@@ -4,6 +4,7 @@
 CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
+# CONFIG_SPL_GPIO_SUPPORT is not set
 CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_TARGET_OMAP3_LOGIC=y
 # CONFIG_SPL_OMAP3_ID_NAND is not set