package/erofs-utils: bump version to 1.2

package/erofs-utils: bump version to 1.2

- add selinux support;
- add erofsfuse support;
- add 0001-erofs-utils-fix-multiple-definition-of-sbi.patch [1];
- add 0002-erofs-utils-fuse-fix-linking-when-using-with-selinux.patch [2];
- add 0003-erofs-utils-fuse-disable-backtrace-if-unsupported.patch.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git/patch/?id=6c938b755682629a26f85e5540f40c0d316130ed
[2] https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git/patch/?id=f1f9659e98ea925a100e50332309955f5b2b4234

Signed-off-by: Gao Xiang <hsiangkao@aol.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>