GCC4.6: Squash warnings in fsl_pci_init.c

fsl_pci_init.c: In function 'fsl_pci_init':
fsl_pci_init.c:308: warning: format '%08x' expects type 'unsigned int', but
argument 6 has type 'long unsigned int'
fsl_pci_init.c:347: warning: format '%x' expects type 'unsigned int', but
argument 2 has type 'volatile u32 *'

fsl_pci_init.c: In function 'fsl_pci_init':
fsl_pci_init.c:308: warning: format '%016llx' expects type 'long long unsigned
int', but argument 4 has type 'pci_addr_t'
fsl_pci_init.c:308: warning: format '%016llx' expects type 'long long unsigned
int', but argument 5 has type 'pci_size_t'
fsl_pci_init.c:308: warning: format '%08x' expects type 'unsigned int', but
argument 6 has type 'long unsigned int'

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>