package/mtd: update to 2.2.1

See https://lore.kernel.org/buildroot/5dcaf594-e727-4ec3-af69-86e578029160@sigma-star.at/

Signed-off-by: Brandon Maier <brandon.maier@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit 5de5ef51b5a7bd3f47f82167b4d966706039a15c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mtd/mtd.hash

@@ -1,4 +1,4 @@
 # Locally calculated after checking pgp signature
-# https://infraroot.at/pub/mtd/mtd-utils-2.2.0.tar.bz2.asc
-sha256  250d082f67375ca8451b5fcfc9a23a53ced3ebebd8312c288daf2507bbab1324  mtd-utils-2.2.0.tar.bz2
+# https://infraroot.at/pub/mtd/mtd-utils-2.2.1.tar.bz2.asc
+sha256  f7ae20b2eb79ee83441468f0b99d897024cd96ff853eea59106fb1952065c803  mtd-utils-2.2.1.tar.bz2
 sha256  dcc100d4161cc0b7177545ab6e47216f84857cda3843847c792a25289852dcaa  COPYING

package/mtd/mtd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MTD_VERSION = 2.2.0
+MTD_VERSION = 2.2.1
 MTD_SOURCE = mtd-utils-$(MTD_VERSION).tar.bz2
 MTD_SITE = https://infraroot.at/pub/mtd
 MTD_LICENSE = GPL-2.0