gmp: bump to version 6.1.1

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gmp/gmp.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256	68dadacce515b0f8a54f510edf07c1b636492bcdb8e8d54c56eb216225d16989	gmp-6.1.0.tar.xz
+sha256	d36e9c05df488ad630fff17edb50051d6432357f9ce04e34a09b3d818825e831	gmp-6.1.1.tar.xz

package/gmp/gmp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GMP_VERSION = 6.1.0
+GMP_VERSION = 6.1.1
 GMP_SITE = $(BR2_GNU_MIRROR)/gmp
 GMP_SOURCE = gmp-$(GMP_VERSION).tar.xz
 GMP_INSTALL_STAGING = YES