ARM: configs: Add new config fragment to change RAM start point

Add a new fragment to over-ride the RAM start point to 0xd0000000.

Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
diff --git a/arch/arm/configs/dram_0xd0000000.config b/arch/arm/configs/dram_0xd0000000.config
new file mode 100644
index 0000000..61ba704
--- /dev/null
+++ b/arch/arm/configs/dram_0xd0000000.config
@@ -0,0 +1 @@
+CONFIG_DRAM_BASE=0xd0000000