tests: unskip some tests

Few tests are being skipped for no goot reason (anymore). Add some
coverage using few platforms that work with intention to expand if all
works well and if needed.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

tests/lib/cmsis_dsp/filtering/testcase.yaml

@@ -8,7 +8,13 @@ tests:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX
     tags: cmsis-dsp
-    skip: true
+    platform_allow:
+      - native_sim/native
+      - mps2/an385
+      - mps2/an521/cpu0
+      - qemu_cortex_r5/zynqmp_rpu
+    integration_platforms:
+      - mps2/an385
   libraries.cmsis_dsp.filtering.biquad:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX

tests/lib/cmsis_dsp/matrix/testcase.yaml

@@ -7,7 +7,13 @@ tests:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX
     tags: cmsis-dsp
-    skip: true
+    platform_allow:
+      - mps2/an521/cpu0
+      - native_sim/native
+      - mps2/an385
+      - qemu_cortex_r5/zynqmp_rpu
+    integration_platforms:
+      - native_sim/native
   libraries.cmsis_dsp.matrix.unary_q7:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX

tests/lib/cmsis_dsp/transform/testcase.yaml

@@ -7,7 +7,13 @@ tests:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX
     tags: cmsis-dsp
-    skip: true
+    platform_allow:
+      - mps2/an521/cpu0
+      - native_sim/native
+      - mps2/an385
+      - qemu_cortex_r5/zynqmp_rpu
+    integration_platforms:
+      - native_sim/native
   libraries.cmsis_dsp.transform.cq15:
     filter: ((CONFIG_CPU_AARCH32_CORTEX_R or CONFIG_CPU_CORTEX_M) and CONFIG_FULL_LIBC_SUPPORTED
       ) or CONFIG_ARCH_POSIX