cgtqmx6eval: Remove SPL entry from CONFIG_SYS_EXTRA_OPTIONS

SPL is already selected via CONFIG_SPL=y, so there is no need
to pass it inside CONFIG_SYS_EXTRA_OPTIONS.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/configs/cgtqmx6eval_defconfig b/configs/cgtqmx6eval_defconfig
index 94d7e76..4acede4 100644
--- a/configs/cgtqmx6eval_defconfig
+++ b/configs/cgtqmx6eval_defconfig
@@ -11,7 +11,7 @@
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_VIDEO=y
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,SPL,MX6QDL"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6QDL"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y