configs/imx6-sabresd: Bump to kernel 4.17.4

Kernel 4.17.4 contains commit 32c319d4f120 ("pinctrl: devicetree: Fix
pctldev pointer overwrite"), which fixes camera support
on imx6-sabresd board, so bump to this kernel version.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/imx6-sabresd_defconfig

@@ -32,7 +32,7 @@ BR2_TARGET_UBOOT_SPL_NAME="SPL"
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.3"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.4"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6q-sabresd imx6dl-sabresd imx6qp-sabresd"

configs/imx6-sabresd_qt5_defconfig

@@ -38,7 +38,7 @@ BR2_TARGET_UBOOT_SPL_NAME="SPL"
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.3"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.4"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6q-sabresd imx6dl-sabresd imx6qp-sabresd"