x86: mmconf: fix section mismatch warning

WARNING: arch/x86/kernel/built-in.o(.cpuinit.text+0x1591): Section mismatch in reference from the function init_amd() to the function .init.text:check_enable_amd_mmconf_dmi()
The function __cpuinit init_amd() references
a function __init check_enable_amd_mmconf_dmi().
If check_enable_amd_mmconf_dmi is only used by init_amd then
annotate check_enable_amd_mmconf_dmi with a matching annotation.

check_enable_amd_mmconf_dmi is only called from init_amd which is __cpuinit

Signed-off-by: Marcin Slusarz <[e-mail]>
Signed-off-by: H. Peter Anvin <[e-mail]>
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/kernel/mmconf-fam10h_64.c

···
 	{}
 };
 
-void __init check_enable_amd_mmconf_dmi(void)
+void __cpuinit check_enable_amd_mmconf_dmi(void)
 {
 	dmi_check_system(mmconf_dmi_table);
 }

include/asm-x86/mmconfig.h

···
 
 #ifdef CONFIG_PCI_MMCONFIG
 extern void __cpuinit fam10h_check_enable_mmcfg(void);
-extern void __init check_enable_amd_mmconf_dmi(void);
+extern void __cpuinit check_enable_amd_mmconf_dmi(void);
 #else
 static inline void fam10h_check_enable_mmcfg(void) { }
 static inline void check_enable_amd_mmconf_dmi(void) { }