ramips: update the RT3883 PCI patch

Fix the following warning:

  arch/mips/pci/pci-rt3883.c: In function 'rt3883_pci_probe':
  arch/mips/pci/pci-rt3883.c:458:4: warning: use of 'h' length modifier with 'a' type character [-Wformat]

Signed-off-by: Michael Lee <igvtee@gmail.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 37827