tests: adjust CONFIG_MAX_THREAD_BYTES for some

For these particular tests, many platforms require higher
CONFIG_MAX_THREAD_BYTES than the default 2, so guard
against failures by setting it high.

Signed-off-by: Lauren Murphy <[email protected]>

Author: laurenmurphyx64

tests/kernel/mem_protect/sys_sem/boards/intel_adsp_ace30_ptl.conf

@@ -1,3 +1,4 @@
 CONFIG_ZTEST=y
 CONFIG_IRQ_OFFLOAD=y
 CONFIG_TEST_USERSPACE=y
+CONFIG_MAX_THREAD_BYTES=8

tests/kernel/mem_protect/sys_sem/boards/intel_adsp_ace30_ptl_sim.conf

@@ -1,3 +1,4 @@
 CONFIG_MAIN_THREAD_PRIORITY=10
 CONFIG_ZTEST=y
 CONFIG_TEST_USERSPACE=y
+CONFIG_MAX_THREAD_BYTES=8

tests/kernel/mem_protect/sys_sem/prj.conf

@@ -2,3 +2,4 @@ CONFIG_ZTEST=y
 CONFIG_IRQ_OFFLOAD=y
 CONFIG_TEST_USERSPACE=y
 CONFIG_ZTEST_FATAL_HOOK=y
+CONFIG_MAX_THREAD_BYTES=8