ci: work around zephyr test issues

zephyr uses icount to improve test accuracy on virtual hardware.  Do
the same here for the same reason for the platforms that actually test.
Also, the common test now appears to work for microbit-v1 and poll doe
snot work for qemu-cortex-m3

Signed-off-by: Jon Mason <jon.mason@arm.com>

ci/microbit-v1.yml

@@ -4,8 +4,4 @@ header:
     - ci/base.yml
     - ci/meta-zephyr.yml
 
-local_conf_header:
-  failing_tests: |
-    ZEPHYRTESTS:remove = "common"
-
 machine: microbit-v1

ci/qemu-cortex-m3.yml

@@ -13,6 +13,8 @@ local_conf_header:
   tclibc: |
     TCLIBC = "newlib"
   nonbuilding_tests: |
-    ZEPHYRTESTS:remove = "context pending sleep"
+    ZEPHYRTESTS:remove = "context pending poll sleep"
+  qemu_opts: |
+    QB_OPT_APPEND = "-icount shift=3,align=off,sleep=on -rtc clock=vm"
 
 machine: qemu-cortex-m3

meta-arm/conf/machine/microbit-v1.conf

@@ -16,6 +16,7 @@ QB_MACHINE = "-machine microbit"
 QB_CPU = "-cpu cortex-m0"
 QB_GRAPHICS = "-nographic -vga none"
 QB_RNG = ""
+QB_OPT_APPEND = "-icount shift=6,align=off,sleep=on -rtc clock=vm"
 
 # Zephyr RTOS settings
 ZEPHYR_BOARD = "qemu_cortex_m0"