ext: cc3220sdk: Import HAL for TI CC3220S SoC

The CC3220 SDK provides a peripheral driver library and hardware
register access header files for the Texas Instruments SimpleLink
CC3220S and CC3220SF SoCs.

The current version supported in Zephyr is CC3220 SDK,
downloaded from:


Jira: ZEP-1958

Change-Id: Ib278a6e067a621c589d6efd17cda6f75dc2a9cdb
Signed-off-by: Gil Pitney <gil.pitney@linaro.org>
diff --git a/ext/hal/ti/cc3220sdk/Kconfig b/ext/hal/ti/cc3220sdk/Kconfig
new file mode 100644
index 0000000..a7d7943
--- /dev/null
+++ b/ext/hal/ti/cc3220sdk/Kconfig
@@ -0,0 +1,11 @@
+# Kconfig - CC3220 SDK HAL configuration
+config HAS_CC3220SDK
+	bool
+menuconfig CC3220SDK
+	bool "TI CC3220 SDK support"
+	default n
+	depends on HAS_CC3220SDK
+	help
+	Build required peripheral driverlib files from the CC3220 SDK