configs/freescale_imx8qmmek: kernel build needs host-openssl

With the recent bump of the kernel to 4.19, the kernel configuration
now needs host-openssl to build.

Fixes:

  https://gitlab.com/buildroot.org/buildroot/-/jobs/483712526

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/freescale_imx8qmmek_defconfig

@@ -10,6 +10,7 @@ BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="rel_imx_4.19.35_1.1.0"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/fsl-imx8qm-mek"
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 BR2_PACKAGE_FREESCALE_IMX=y
 BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8=y
 BR2_PACKAGE_FIRMWARE_IMX=y