configs/imx28evk: enable BR2_DOWNLOAD_FORCE_CHECK_HASHES

This commit adds BR2_DOWNLOAD_FORCE_CHECK_HASHES=y in the defconfig
and adds custom hash files. The exception entry in .checkpackageignore
is also removed.

Cc: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 683681261b19a0ea541e55ae7d5497ccf05e40a9)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

.checkpackageignore

@@ -140,7 +140,6 @@ configs/engicam_imx6qdl_icore_qt5_defconfig lib_defconfig.ForceCheckHash
 configs/engicam_imx6qdl_icore_rqs_defconfig lib_defconfig.ForceCheckHash
 configs/engicam_imx6ul_geam_defconfig lib_defconfig.ForceCheckHash
 configs/engicam_imx6ul_isiot_defconfig lib_defconfig.ForceCheckHash
-configs/freescale_imx28evk_defconfig lib_defconfig.ForceCheckHash
 configs/freescale_p1025twr_defconfig lib_defconfig.ForceCheckHash
 configs/freescale_t1040d4rdb_defconfig lib_defconfig.ForceCheckHash
 configs/freescale_t2080_qds_rdb_defconfig lib_defconfig.ForceCheckHash

board/freescale/imx28evk/patches/linux-headers/linux-headers.hash

@@ -0,0 +1 @@
+../linux/linux.hash

board/freescale/imx28evk/patches/linux/linux.hash

@@ -0,0 +1,2 @@
+# From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  af54b449f4fb93b8e8daa346144a7309e8e95174bd962c4b5917cf56120456d9  linux-6.6.26.tar.xz

board/freescale/imx28evk/patches/uboot/uboot.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  18a853fe39fad7ad03a90cc2d4275aeaed6da69735defac3492b80508843dd4a  u-boot-2024.04.tar.bz2

configs/freescale_imx28evk_defconfig

@@ -1,5 +1,7 @@
 BR2_arm=y
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
+BR2_GLOBAL_PATCH_DIR="board/freescale/imx28evk/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/mxs/post-image.sh"
 BR2_LINUX_KERNEL=y