microblaze: Separate code end substraction

Follow up patch will convert symbol handling that's why it is necessary to
separate logic around symbols to special instruction. It adds 4B for new
instruction but it is worth to do it to have code ready for for full
relocation.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/030863fa9a9c1ca0a9b082fe498522da09189fbc.1655299267.git.michal.simek@amd.com
1 file changed