tests/samples/snippets: Update board names for hwmv2

Updates board names which have changed with hwmv2

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

snippets/xen_dom0/snippet.yml

@@ -7,9 +7,9 @@ boards:
   qemu_cortex_a53:
     append:
       EXTRA_DTC_OVERLAY_FILE: boards/qemu_cortex_a53.overlay
-  rcar_h3ulcb_ca57:
+  rcar_h3ulcb/r8a77951/a57:
     append:
-      EXTRA_DTC_OVERLAY_FILE: boards/rcar_h3ulcb_ca57.overlay
-  rcar_salvator_xs_m3:
+      EXTRA_DTC_OVERLAY_FILE: boards/rcar_h3ulcb_r8a77951_a57.overlay
+  rcar_salvator_xs:
     append:
-      EXTRA_DTC_OVERLAY_FILE: boards/rcar_salvator_xs_m3.overlay
+      EXTRA_DTC_OVERLAY_FILE: boards/rcar_salvator_xs.overlay

tests/drivers/charger/sbs_charger/testcase.yaml

@@ -17,8 +17,8 @@ tests:
       - xenvm
       - xenvm//gicv3
       - hifive_unmatched
-      - rcar_h3ulcb_ca57
-      - rcar_salvator_xs_m3
+      - rcar_h3ulcb/r8a77951/a57
+      - rcar_salvator_xs
       - numaker_pfm/m467
   drivers.charger.sbs.emulated_64_bit_i2c_addr:
     tags:

tests/drivers/fuel_gauge/sbs_gauge/testcase.yaml

@@ -16,8 +16,8 @@ tests:
       - qemu_kvm_arm64
       - xenvm
       - xenvm//gicv3
-      - rcar_h3ulcb_ca57
-      - rcar_salvator_xs_m3
+      - rcar_h3ulcb/r8a77951/a57
+      - rcar_salvator_xs
     integration_platforms:
       - qemu_x86
   drivers.fuel_gauge.sbs_gauge_new_api.emulated_64_bit_i2c_addr: