ci(sme): add build and run configs for SME2

This patch adds the following:
1. TF-A build config with SME2 support.
2. Run configuration to generate model parameters for FEAT_SME2.
3. CI test configuration to verify SME2 support.

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: Ibd80e7ee0e8657048c052cc93cc5bb7376c55f47
diff --git a/tf_config/fvp-sme2 b/tf_config/fvp-sme2
new file mode 100644
index 0000000..795c323
--- /dev/null
+++ b/tf_config/fvp-sme2
@@ -0,0 +1,9 @@
+ARM_ARCH_MAJOR=8
+ARM_ARCH_MINOR=6
+CROSS_COMPILE=aarch64-none-elf-
+CTX_INCLUDE_AARCH32_REGS=0
+ENABLE_FEAT_HCX=1
+ENABLE_SME_FOR_NS=1
+ENABLE_SME2_FOR_NS=1
+ENABLE_SVE_FOR_NS=1
+PLAT=fvp