arm: zynq: Dont define SDRAM_BASE and SDRAM_SIZE in .h

Remove the SDRAM_BASE and SDRAM_SIZE as it can now get these
details from DT.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

include/configs/zynq_cse.h

@@ -41,7 +41,4 @@
 #undef CONFIG_SYS_MALLOC_LEN
 #define CONFIG_SYS_MALLOC_LEN	0x1000
 
-#define CONFIG_SYS_SDRAM_BASE	0xfffc0000
-#define CONFIG_SYS_SDRAM_SIZE	0x40000
-
 #endif /* __CONFIG_ZYNQ_CSE_H */