wic: use wic logger in wic source plugins

Replaced msger with wic logger in wic source plugins.

(From OE-Core rev: 19a868e9ad12fb27a7f713685d12f3d310fd6961)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/plugins/source/rawcopy.py

@@ -15,13 +15,16 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
+import logging
 import os
+import sys
 
-from wic import msger
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import exec_cmd, get_bitbake_var
 from wic.filemap import sparse_copy
 
+logger = logging.getLogger('wic')
+
 class RawCopyPlugin(SourcePlugin):
     """
     Populate partition content from raw image file.
@@ -59,13 +62,14 @@ class RawCopyPlugin(SourcePlugin):
         if not bootimg_dir:
             bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
             if not bootimg_dir:
-                msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
+                logger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
+                sys.exit(1)
 
-        msger.debug('Bootimg dir: %s' % bootimg_dir)
+        logger.debug('Bootimg dir: %s', bootimg_dir)
 
         if 'file' not in source_params:
-            msger.error("No file specified\n")
-            return
+            logger.error("No file specified\n")
+            sys.exit(1)
 
         src = os.path.join(bootimg_dir, source_params['file'])
         dst = os.path.join(cr_workdir, "%s.%s" % (source_params['file'], part.lineno))