od: gcw0: Disable firmwares in config

/lib/firmware is now a symlink to the data partition. Therefore, we do
not want Buildroot to install any firmware files there.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>

Author: pcercuei

configs/od_gcw0_defconfig

@@ -103,9 +103,6 @@ BR2_PACKAGE_SDL2_MIXER=y
 BR2_PACKAGE_SDL2_NET=y
 BR2_PACKAGE_SDL2_TTF=y
 BR2_PACKAGE_APITRACE=y
-BR2_PACKAGE_LINUX_FIRMWARE=y
-BR2_PACKAGE_LINUX_FIRMWARE_MEDIATEK_MT7601U=y
-BR2_PACKAGE_LINUX_FIRMWARE_RTL_81XX=y
 BR2_PACKAGE_EVTEST=y
 BR2_PACKAGE_FMTOOLS=y
 BR2_PACKAGE_I2C_TOOLS=y