imx8qxp_mek: Run with caches enabled

There is no need to run with caches disabled.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig
index e0f49f4..4cc37f5 100644
--- a/configs/imx8qxp_mek_defconfig
+++ b/configs/imx8qxp_mek_defconfig
@@ -1,6 +1,4 @@
 CONFIG_ARM=y
-CONFIG_SPL_SYS_ICACHE_OFF=y
-CONFIG_SPL_SYS_DCACHE_OFF=y
 CONFIG_ARCH_IMX8=y
 CONFIG_SYS_TEXT_BASE=0x80020000
 CONFIG_SPL_GPIO_SUPPORT=y