wic: Code cleanup: bad-classmethod-argument

Fixed wrong name for the first argument in class methods.
Pylint complains about the issue this way:
    Class method should have 'cls' as first argument

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
index 5caffbc8e2..ae5fc0ca2a 100644
--- a/scripts/lib/wic/plugins/source/bootimg-pcbios.py
+++ b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
@@ -37,7 +37,7 @@ class BootimgPcbiosPlugin(SourcePlugin):
     name = 'bootimg-pcbios'
 
     @classmethod
-    def do_install_disk(self, disk, disk_name, cr, workdir, oe_builddir,
+    def do_install_disk(cls, disk, disk_name, cr, workdir, oe_builddir,
                         bootimg_dir, kernel_dir, native_sysroot):
         """
         Called after all partitions have been prepared and assembled into a
@@ -64,7 +64,7 @@ class BootimgPcbiosPlugin(SourcePlugin):
             raise ImageError("Unable to set MBR to %s" % full_path)
 
     @classmethod
-    def do_configure_partition(self, part, source_params, cr, cr_workdir,
+    def do_configure_partition(cls, part, source_params, cr, cr_workdir,
                                oe_builddir, bootimg_dir, kernel_dir,
                                native_sysroot):
         """
@@ -113,7 +113,7 @@ class BootimgPcbiosPlugin(SourcePlugin):
         cfg.close()
 
     @classmethod
-    def do_prepare_partition(self, part, source_params, cr, cr_workdir,
+    def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
                              oe_builddir, bootimg_dir, kernel_dir,
                              rootfs_dir, native_sysroot):
         """