EDAC, pnd2: Correct misleading error message in mk_region_mask()

The mask parameter is expected to be of a sequence of the set bits.
It does not mean it must be power of two (only single bit set).
Correct misleading error message.
Suggested-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

drivers/edac/pnd2_edac.c

@@ -329,7 +329,7 @@ static void mk_region_mask(char *name, struct region *rp, u64 base, u64 mask)
 		return;
 	}
 	if (mask != GENMASK_ULL(PND_MAX_PHYS_BIT, __ffs(mask))) {
-		pr_info(FW_BUG "MOT mask not power of two\n");
+		pr_info(FW_BUG "MOT mask is invalid\n");
 		return;
 	}
 	if (base & ~mask) {