e2fsprogs: switch site and add hash

For some reason the kernel.org download hash doesn't match the
sourceforge hash so switch to kernel.org for the download.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/e2fsprogs/e2fsprogs.hash

@@ -0,0 +1,2 @@
+# From https://www.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.42.12/sha256sums.asc
+sha256	8c790e8708dbb7c766c88c8152c2bf2d0628937e9dd6571eef8f59080d0fb58a	e2fsprogs-1.42.12.tar.gz

package/e2fsprogs/e2fsprogs.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 E2FSPROGS_VERSION = 1.42.12
-E2FSPROGS_SITE = http://downloads.sourceforge.net/project/e2fsprogs/e2fsprogs/v$(E2FSPROGS_VERSION)
+E2FSPROGS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/people/tytso/e2fsprogs/v$(E2FSPROGS_VERSION)
 E2FSPROGS_LICENSE = GPLv2, libuuid BSD-3c, libss and libet MIT-like with advertising clause
 E2FSPROGS_LICENSE_FILES = COPYING lib/uuid/COPYING lib/ss/mit-sipb-copyright.h lib/et/internal.h
 E2FSPROGS_INSTALL_STAGING = YES