[PNPBIOS] move some more functions to local include file

This patch moves some unnecessary global functions to the local
pnpbios include file.

drivers/pnp/pnpbios/pnpbios.h

@@ -25,6 +25,8 @@ union pnp_bios_install_struct {
 #pragma pack()
 
 extern int pnp_bios_present(void);
+extern int  pnpbios_dont_use_current_config;
+extern void *pnpbios_kmalloc(size_t size, int f);
 
 extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node);
 extern int pnpbios_read_resources_from_node(struct pnp_resource_table *res, struct pnp_bios_node * node);

include/linux/pnpbios.h

@@ -131,10 +131,7 @@ struct pnp_bios_node {
 #ifdef CONFIG_PNPBIOS
 
 /* non-exported */
-extern int  pnpbios_dont_use_current_config;
 extern struct pnp_dev_node_info node_info;
-extern void *pnpbios_kmalloc(size_t size, int f);
-extern int pnpbios_init (void);
 
 extern int pnp_bios_dev_node_info (struct pnp_dev_node_info *data);
 extern int pnp_bios_get_dev_node (u8 *nodenum, char config, struct pnp_bios_node *data);