socfpga: Relocate arch common functions away from board

To move the arch common function away from board folder to
arch/arm/cpu/armv7/socfpga folder. Its to avoid code duplication
for other non Altera dev kit which is using socfpga device.

Signed-off-by: Chin Liang See <clsee@altera.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Cc: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Detlev Zundel <dzu@denx.de>

arch/arm/cpu/armv7/socfpga/misc.c

@@ -14,3 +14,27 @@ int dram_init(void)
 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
 	return 0;
 }
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+/*
+ * Print CPU information
+ */
+int print_cpuinfo(void)
+{
+	puts("CPU   : Altera SOCFPGA Platform\n");
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && \
+defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
+int overwrite_console(void)
+{
+	return 0;
+}
+#endif
+
+int misc_init_r(void)
+{
+	return 0;
+}

board/altera/socfpga/socfpga_cyclone5.c

@@ -12,17 +12,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined(CONFIG_DISPLAY_CPUINFO)
-/*
- * Print CPU information
- */
-int print_cpuinfo(void)
-{
-	puts("CPU   : Altera SOCFPGA Platform\n");
-	return 0;
-}
-#endif
-
 /*
  * Print Board information
  */
@@ -49,18 +38,6 @@ int board_init(void)
 	return 0;
 }
 
-int misc_init_r(void)
-{
-	return 0;
-}
-
-#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
-int overwrite_console(void)
-{
-	return 0;
-}
-#endif
-
 /*
  * DesignWare Ethernet initialization
  */