wic: print partition alignment when available

When printing a partition, the --align parameter was shown when present
but not its value.

(From OE-Core rev: 26280cf0199abb3266d620c8dee1194504a5a829)

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/kickstart/custom_commands/micpartition.py

@@ -32,7 +32,7 @@ class Mic_PartData(FC4_PartData):
         retval = FC4_PartData._getArgsAsStr(self)
 
         if self.align:
-            retval += " --align"
+            retval += " --align=%d" % self.align
         if self.extopts:
             retval += " --extoptions=%s" % self.extopts
         if self.part_type: