rockchip: ram: fix debug funcfion define when RAM_ROCKCHIP_DEBUG not set

The empty function define should not be in the header file, or else the
build will error with function multi definition after CONFIG_RAM_ROCKCHIP_DEBUG
is disabled.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index 36d3115..5efa6e9 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -114,25 +114,10 @@
 #define SYS_REG_ENC_CS1_COL(n, ch)	(((n) - 9) << (0 + 2 * (ch)))
 #define SYS_REG_DEC_CS1_COL(n, ch)	(9 + (((n) >> (0 + 2 * (ch))) & 0x3))
 
-#if !defined(CONFIG_RAM_ROCKCHIP_DEBUG)
-inline void sdram_print_dram_type(unsigned char dramtype)
-{
-}
-
-inline void sdram_print_ddr_info(struct sdram_cap_info *cap_info,
-				 struct sdram_base_params *base)
-{
-}
-
-inline void sdram_print_stride(unsigned int stride)
-{
-}
-#else
 void sdram_print_dram_type(unsigned char dramtype);
 void sdram_print_ddr_info(struct sdram_cap_info *cap_info,
 			  struct sdram_base_params *base);
 void sdram_print_stride(unsigned int stride);
-#endif /* CONFIG_RAM_ROCKCHIP_DEBUG */
 
 void sdram_org_config(struct sdram_cap_info *cap_info,
 		      struct sdram_base_params *base,
diff --git a/drivers/ram/rockchip/sdram_common.c b/drivers/ram/rockchip/sdram_common.c
index 6bc5157..b3e7421 100644
--- a/drivers/ram/rockchip/sdram_common.c
+++ b/drivers/ram/rockchip/sdram_common.c
@@ -117,6 +117,19 @@
 		printf("no stride\n");
 	}
 }
+#else
+inline void sdram_print_dram_type(unsigned char dramtype)
+{
+}
+
+inline void sdram_print_ddr_info(struct sdram_cap_info *cap_info,
+				 struct sdram_base_params *base)
+{
+}
+
+inline void sdram_print_stride(unsigned int stride)
+{
+}
 #endif
 
 /*