Kconfig: Move config SYS_MALLOC_LEN to Kconfig for zynq

This patch moves the the config SYS_MALLOC_LEN to
Kconfig. It will be just for Zynq arch and to do
will be for all other archs.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Vipul Kumar <vipul.kumar@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/Kconfig b/Kconfig
index 7dc7798..db0f545 100644
--- a/Kconfig
+++ b/Kconfig
@@ -136,6 +136,13 @@
 	  particular needs this to operate, so that it can allocate the
 	  initial serial device and any others that are needed.
 
+config SYS_MALLOC_LEN
+	hex "Define memory for Dynamic allocation"
+	depends on ARCH_ZYNQ
+	help
+	  This defines memory to be allocated for Dynamic allocation
+	  TODO: Use for other architectures
+
 config SPL_SYS_MALLOC_F_LEN
 	hex "Size of malloc() pool in SPL before relocation"
 	depends on SYS_MALLOC_F