staging: sm750fb: introduce sm750fb_frambuffer_alloc

Split framebuffer allocation and registration into a dedicated function
to simplify lynxfb_pci_probe

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed