sparc: Update GRSIM board with memory settings for TSIM eval

Update the GRSIM board with the memory settings for the evaluation
version of TSIM. This free version of TSIM is used for testing.

Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>
diff --git a/configs/grsim_defconfig b/configs/grsim_defconfig
index f0fa23f..b0295f2 100644
--- a/configs/grsim_defconfig
+++ b/configs/grsim_defconfig
@@ -11,4 +11,5 @@
 # CONFIG_CMD_MEMORY is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set