configs/pandaboard: needs host-openssl

The kernel configuration used by the pandaboard_defconfig needs
host-openssl, otherwise it fails to build with:

  scripts/extract-cert.c:21:25: fatal error: openssl/bio.h: No such file or directory

Fixes:

  https://gitlab.com/buildroot.org/buildroot/-/jobs/269139222

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

configs/pandaboard_defconfig

@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_DEFCONFIG="omap2plus"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="omap4-panda-es omap4-panda omap4-panda-a4"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 # BR2_TARGET_ROOTFS_TAR is not set