wip: Use just "qemu" as a platform name for x86 target

Signed-off-by: Paweł Wieczorek <[email protected]>

Author: pawiecz

config/pipeline.yaml

@@ -2093,7 +2093,7 @@ platforms:
     dtb: dtbs/qcom/qcs6490-rb3gen2.dtb
     compatible: ['qcom,qcs6490-rb3gen2', 'qcom,qcm6490']
 
-  qemu: &qemu-device
+  qemu-x86: &qemu-device
     base_name: qemu
     arch: x86_64
     boot_method: qemu
@@ -2103,7 +2103,7 @@ platforms:
       cpu: qemu64
       guestfs_interface: ide
 
-  qemu-x86: *qemu-device
+  qemu: *qemu-device
 
   rk3288-rock2-square:
     <<: *arm-device
@@ -2297,7 +2297,7 @@ scheduler:
       name: kbuild-gcc-12-x86
     runtime: *lava-collabora-runtime
     platforms: &collabora-x86-platforms
-      - qemu-x86
+      - qemu
 
   - job: baseline-x86-baylibre
     event: *kbuild-gcc-12-x86-node-event
@@ -2353,7 +2353,7 @@ scheduler:
       name: kbuild-gcc-12-x86-mfd
     runtime: *lava-collabora-runtime
     platforms:
-      - qemu-x86
+      - qemu
 
   - job: kbuild-clang-17-arm-allmodconfig
     <<: *build-k8s-all
@@ -2830,7 +2830,7 @@ scheduler:
     event: *kbuild-gcc-12-x86-node-event
     runtime: *lava-collabora-runtime
     platforms:
-      - qemu-x86
+      - qemu
 
   - job: rt-tests-cyclicdeadline
     event: &kbuild-gcc-12-arm64-preempt_rt-node-event