MA-11393 [Android] Enable lz4 compression config for imx8 Enable CONFIG_LZ4 for imx8 to support decompression of compressed lz4 kernel image. Change-Id: Ifb934313dd0e3c4023a2738b0bc4aba4abe77282 Signed-off-by: Luo Ji <ji.luo@nxp.com>