galp5 board config: add runtime configurable USB Keyboard support, comment USB1 support

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

Author: tlaurion

boards/galp5/galp5.config

@@ -24,7 +24,9 @@ CONFIG_LINUX_USB=y
 CONFIG_LINUX_E1000=y
 CONFIG_MOBILE_TETHERING=y
 #Runtime on-demand additional hardware support (modules.cpio)
-export CONFIG_LINUX_USB_COMPANION_CONTROLLER=y
+#export CONFIG_LINUX_USB_COMPANION_CONTROLLER=y
+#Pack but not use USB keyboard support by default (Needs runtime+ flash under config menu)
+export CONFIG_SUPPORT_USB_KEYBOARD=y