stv0991: Add basic stv0991 architecture support

stv0991 architecture support added. It contains the support for
following blocks
- Timer
- uart

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
[trini: Add arch/arm/cpu/armv7/Makefile hunk]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/board/st/stv0991/Kconfig b/board/st/stv0991/Kconfig
new file mode 100644
index 0000000..8bda349
--- /dev/null
+++ b/board/st/stv0991/Kconfig
@@ -0,0 +1,23 @@
+if TARGET_STV0991
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "stv0991"
+
+config SYS_VENDOR
+	string
+	default "st"
+
+config SYS_SOC
+	string
+	default "stv0991"
+
+config SYS_CONFIG_NAME
+	string
+	default "stv0991"
+
+endif