clang: add AArch32 build to tf clang tests

Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
Change-Id: Ie4521a6689eb06de1accdc8cd45e6f48bb92ffc4
diff --git a/tf_config/fvp-aarch32-clang b/tf_config/fvp-aarch32-clang
new file mode 100644
index 0000000..5fb5a6d
--- /dev/null
+++ b/tf_config/fvp-aarch32-clang
@@ -0,0 +1,4 @@
+AARCH32_SP=sp_min
+ARCH=aarch32
+CC=clang
+PLAT=fvp