tests: latency_measure: Remove prj_user.conf

Moves the enablement of userspace from the project configuration
file to testcase.yaml.

Signed-off-by: Peter Mitsis <peter.mitsis@intel.com>

tests/benchmarks/latency_measure/prj_user.conf

@@ -1,33 +0,0 @@
-CONFIG_TEST=y
-
-# eliminate timer interrupts during the benchmark
-CONFIG_SYS_CLOCK_TICKS_PER_SEC=1
-
-# We use irq_offload(), enable it
-CONFIG_IRQ_OFFLOAD=y
-
-# Reduce memory/code footprint
-CONFIG_BT=n
-CONFIG_FORCE_NO_ASSERT=y
-
-CONFIG_TEST_HW_STACK_PROTECTION=n
-# Disable HW Stack Protection (see #28664)
-CONFIG_HW_STACK_PROTECTION=n
-CONFIG_COVERAGE=n
-
-# Disable system power management
-CONFIG_PM=n
-
-# Can only run under 1 CPU
-CONFIG_MP_MAX_NUM_CPUS=1
-CONFIG_TIMING_FUNCTIONS=y
-
-CONFIG_HEAP_MEM_POOL_SIZE=2048
-CONFIG_APPLICATION_DEFINED_SYSCALL=y
-CONFIG_USERSPACE=y
-
-# Disable time slicing
-CONFIG_TIMESLICING=n
-
-# Enable events
-CONFIG_EVENTS=y

tests/benchmarks/latency_measure/testcase.yaml

@@ -63,7 +63,8 @@ tests:
   benchmark.kernel.latency.userspace:
     filter: CONFIG_ARCH_HAS_USERSPACE
     timeout: 300
-    extra_args: CONF_FILE=prj_user.conf
+    extra_configs:
+      - CONFIG_USERSPACE=y
     harness: console
     integration_platforms:
       - qemu_x86
@@ -81,12 +82,12 @@ tests:
   benchmark.kernel.latency.userspace.objcore.stats:
     filter: CONFIG_ARCH_HAS_USERSPACE
     timeout: 300
-    extra_args: CONF_FILE=prj_user.conf
     harness: console
     integration_platforms:
       - qemu_x86
       - qemu_cortex_a53
     extra_configs:
+      - CONFIG_USERSPACE=y
       - CONFIG_OBJ_CORE=y
       - CONFIG_OBJ_CORE_STATS=y
     harness_config:
@@ -120,12 +121,12 @@ tests:
   benchmark.kernel.latency.timeslicing.userspace:
     filter: CONFIG_ARCH_HAS_USERSPACE
     timeout: 300
-    extra_args: CONF_FILE=prj_user.conf
     harness: console
     integration_platforms:
       - qemu_x86
       - qemu_cortex_a53
     extra_configs:
+      - CONFIG_USERSPACE=y
       - CONFIG_TIMESLICING=y
     harness_config:
       type: one_line