arm64: disable ext2/ext3 filesystem support (ext4 is enough)

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 47030

target/linux/arm64/config-default

@@ -100,8 +100,6 @@ CONFIG_DEFAULT_NOOP=y
 CONFIG_DEVTMPFS=y
 CONFIG_DTC=y
 # CONFIG_EFI is not set
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
 CONFIG_EXT4_FS=y
 CONFIG_FAT_FS=y
 CONFIG_FB=y