efi: Remove unused declaration efi_initialize_iomem_resources()

Since commit cf8e8658 ("arch: Remove Itanium (IA-64) architecture"),
this is not used anymore.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

include/linux/efi.h

@@ -764,8 +764,6 @@ extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md);
 extern int __efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md);
 extern void efi_mem_reserve(phys_addr_t addr, u64 size);
 extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size);
-extern void efi_initialize_iomem_resources(struct resource *code_resource,
-		struct resource *data_resource, struct resource *bss_resource);
 extern u64 efi_get_fdt_params(struct efi_memory_map_data *data);
 extern struct kobject *efi_kobj;