[PATCH] wic: support passing extraargs for EFI partition creation

["'Richa Bharti' via isar-users" <isar-users@googlegroups.com>]

Some EFI firmwares require FAT filesystems to use specific geometry or
sector parameters.

Add support for an `extraargs` source parameter to allow passing
additional mkdosfs options when creating the EFI System Partition (ESP).
If no extra arguments are provided, mkdosfs defaults to "-S 512",
preserving existing behaviour.

Signed-off-by: Richa Bharti <Richa.Bharti@siemens.com>
---
 meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
index 446398d0..6862a288 100644
--- a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
+++ b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
@@ -506,8 +506,10 @@ class BootimgEFIPlugin(SourcePlugin):
 
         label = part.label if part.label else "ESP"
 
-        dosfs_cmd = "mkdosfs -n %s -i %s -C %s %d" % \
-                    (label, part.fsuuid, bootimg, blocks)
+        extraargs = source_params['extraargs'] or "-S 512"
+
+        dosfs_cmd = "mkdosfs -n %s -i %s %s -C %s %d" % \
+                    (label, part.fsuuid, extraargs, bootimg, blocks)
         exec_native_cmd(dosfs_cmd, native_sysroot)
 
         mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
-- 
2.39.5

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