lib/bootconfig: Make xbc_alloc_mem() and xbc_free_mem() as __init function

Since the xbc_alloc_mem() and xbc_free_mem() are used from
the __init functions and memblock_alloc() is __init function,
make them __init functions too.

Link: https://lkml.kernel.org/r/163515075747.547467.5746167540626712819.stgit@devnote2Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 4ee1b4ca ("bootconfig: Cleanup dummy headers in tools/bootconfig")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

lib/bootconfig.c

@@ -43,12 +43,12 @@ static int open_brace[XBC_DEPTH_MAX] __initdata;
 static int brace_index __initdata;
 
 #ifdef __KERNEL__
-static inline void *xbc_alloc_mem(size_t size)
+static inline void * __init xbc_alloc_mem(size_t size)
 {
 	return memblock_alloc(size, SMP_CACHE_BYTES);
 }
 
-static inline void xbc_free_mem(void *addr, size_t size)
+static inline void __init xbc_free_mem(void *addr, size_t size)
 {
 	memblock_free_ptr(addr, size);
 }