Move CONFIG_DISPLAY_CPUINFO to Makefile

If the whole code is surrounded by #ifdef(CONFIG_ ) .. #endif,
it should be moved to Makefile.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/cpu/arm926ejs/omap/Makefile

@@ -5,5 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y	= timer.o cpuinfo.o
+obj-y	= timer.o
+obj-$(CONFIG_DISPLAY_CPUINFO) += cpuinfo.o
 obj-y	+= reset.o

arch/arm/cpu/arm926ejs/omap/cpuinfo.c

@@ -13,7 +13,7 @@
 #include <command.h>
 #include <linux/compiler.h>
 
-#if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP)
+#if defined(CONFIG_OMAP)
 
 #define omap_readw(x)		*(volatile unsigned short *)(x)
 #define omap_readl(x)		*(volatile unsigned long *)(x)
@@ -239,4 +239,4 @@ int print_cpuinfo (void)
 	return 0;
 }
 
-#endif /* #if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) */
+#endif /* #if defined(CONFIG_OMAP) */

arch/arm/cpu/tegra-common/Makefile

@@ -8,4 +8,5 @@
 #
 
 obj-y += lowlevel_init.o
-obj-y	+= ap.o board.o sys_info.o clock.o cache.o
+obj-y	+= ap.o board.o clock.o cache.o
+obj-$(CONFIG_DISPLAY_CPUINFO) += sys_info.o

arch/arm/cpu/tegra-common/sys_info.c

@@ -8,7 +8,6 @@
 #include <common.h>
 #include <linux/ctype.h>
 
-#ifdef CONFIG_DISPLAY_CPUINFO
 void upstring(char *s)
 {
 	while (*s) {
@@ -30,4 +29,3 @@ int print_cpuinfo(void)
 	/* TBD: Add printf of major/minor rev info, stepping, etc. */
 	return 0;
 }
-#endif	/* CONFIG_DISPLAY_CPUINFO */