hsw: memory: Add 4k size to HSW/BDW system heap

Needs the extra space to complete booting.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>

Author: lrgirdwo

src/platform/haswell/include/platform/memory.h

@@ -110,7 +110,7 @@
 #define SOF_DATA_SIZE			0xa000
 
 #define HEAP_SYSTEM_BASE		(DRAM0_BASE + SOF_DATA_SIZE)
-#define HEAP_SYSTEM_SIZE		0x2000
+#define HEAP_SYSTEM_SIZE		0x3000
 
 #define HEAP_SYSTEM_0_BASE		HEAP_SYSTEM_BASE