Build: Update the Musca-B1 path

The Musca-B1 platform port was moved from "arm/musca_b1/sse_200" to
"arm/musca_b1".
Remains of deprecated ports also removed, as:
- "arm/mps2/an539"
- "arm/mps2/sse-200_aws"
- "arm/musca_b1/secure_enclave"

Signed-off-by: Mark Horvath <mark.horvath@arm.com>
Change-Id: Ie674ef5c0cea9c7dfb104ccee3f6c3c8e0bcf50e
diff --git a/tfm_ci_pylib/tfm_build_manager.py b/tfm_ci_pylib/tfm_build_manager.py
index c1d7f51..de81392 100644
--- a/tfm_ci_pylib/tfm_build_manager.py
+++ b/tfm_ci_pylib/tfm_build_manager.py
@@ -410,7 +410,7 @@
             overwrite_params["test_psa_api"] += " -DINCLUDE_PANIC_TESTS=1"
         if i.test_psa_api == "CRYPTO" and "musca" in i.tfm_platform:
             overwrite_params["test_psa_api"] += " -DCC312_LEGACY_DRIVER_API_ENABLED=OFF"
-        if i.tfm_platform == "arm/musca_b1/sse_200":
+        if i.tfm_platform == "arm/musca_b1":
             overwrite_params["test_psa_api"] += " -DITS_RAM_FS=ON -DPS_RAM_FS=ON"
         if i.tfm_platform == "stm/stm32l562e_dk":
             overwrite_params["test_psa_api"] += " -DITS_RAM_FS=ON -DPS_RAM_FS=ON"