tests: remove misnamed platforms from platform_exclude

Few tests with wrongly names platforms. This section is now being
verified for correctness like all others.

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

tests/kernel/obj_core/obj_core/testcase.yaml

@@ -6,4 +6,3 @@ tests:
       - qemu_x86
     platform_exclude:
       - qemu_x86_tiny
-      - qemu_x86_tiny/ia32/768

tests/kernel/obj_core/obj_core_stats/testcase.yaml

@@ -6,4 +6,3 @@ tests:
       - qemu_x86
     platform_exclude:
       - qemu_x86_tiny
-      - qemu_x86_tiny/ia32/768

tests/kernel/obj_core/obj_core_stats_api/testcase.yaml

@@ -6,4 +6,3 @@ tests:
       - qemu_x86
     platform_exclude:
       - qemu_x86_tiny
-      - qemu_x86_tiny/ia32/768

tests/lib/lockfree/testcase.yaml

@@ -1,7 +1,6 @@
 tests:
   libraries.lockfree:
     platform_exclude:
-      - m5stack_core2 # renode times out
       - m2gl025_miv # renode times out
     tags:
       - lockfree

tests/subsys/rtio/rtio_api/testcase.yaml

@@ -1,7 +1,10 @@
 common:
   # renode causes timeouts unfortunately
   # xtensa dc233 (with mmu) has a TLB exception for unclear reasons
-  platform_exclude: m2gl025_miv m5stack_core2 hifive1 qemu_xtensa/dc233c/mmu
+  platform_exclude:
+    - m2gl025_miv
+    - hifive1
+    - qemu_xtensa/dc233c/mmu
   platform_key:
     - arch
     - simulation

tests/subsys/zbus/integration/testcase.yaml

@@ -4,7 +4,6 @@ tests:
       - qemu_cortex_a9
       - hifive_unleashed
       - fvp_base_revc_2xaemv8a//smp/ns
-      - fvp_baser_aemv8r_aarch32_smp
     tags: zbus
     integration_platforms:
       - native_sim