xfsprogs: import from base

Does not seem to be appropriate there.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/xfsprogs/patches/120-disable_assert.patch

@@ -0,0 +1,12 @@
+--- a/libxfs/libxfs_priv.h
++++ b/libxfs/libxfs_priv.h
+@@ -84,9 +84,6 @@ extern uint32_t crc32c_le(uint32_t crc,
+ /* for all the support code that uses progname in error messages */
+ extern char    *progname;
+ 
+-#undef ASSERT
+-#define ASSERT(ex) assert(ex)
+-
+ #ifndef EWRONGFS
+ #define EWRONGFS	EINVAL
+ #endif