arm: smdkc100: remove config.mk file

Since config.mk is deprecated, remove this file,
and move CONFIG_SYS_TEXT_BASE define to config file.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Cc: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h
index a572e62..507a5d3 100644
--- a/include/configs/smdkc100.h
+++ b/include/configs/smdkc100.h
@@ -34,6 +34,9 @@
 /* DRAM Base */
 #define CONFIG_SYS_SDRAM_BASE		0x30000000
 
+/* Text Base */
+#define CONFIG_SYS_TEXT_BASE		0x34800000
+
 #define CONFIG_SETUP_MEMORY_TAGS
 #define CONFIG_CMDLINE_TAG
 #define CONFIG_INITRD_TAG