arm: renesas_shmobile_defconfig: Add CONFIG_USB_STORAGE and CONFIG_EXT3_FS
Similar to the v4.4 renesas_shmobile_defconfig, we also need to add these options for v4.19.
Edited by Ben Hutchings
Similar to the v4.4 renesas_shmobile_defconfig, we also need to add these options for v4.19.