powerpc/kernel: Cleanup on rtas_pci.c

It's minor cleanup so that the function names comply with the
coding style.
Signed-off-by: NGavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>

arch/powerpc/kernel/rtas_pci.c

@@ -201,7 +201,7 @@ static void python_countermeasures(struct device_node *dev)
 	iounmap(chip_regs);
 }
 
-void __init init_pci_config_tokens (void)
+void __init init_pci_config_tokens(void)
 {
 	read_pci_config = rtas_token("read-pci-config");
 	write_pci_config = rtas_token("write-pci-config");
@@ -209,7 +209,7 @@ void __init init_pci_config_tokens (void)
 	ibm_write_pci_config = rtas_token("ibm,write-pci-config");
 }
 
-unsigned long get_phb_buid (struct device_node *phb)
+unsigned long get_phb_buid(struct device_node *phb)
 {
 	struct resource r;