manifests: Move GPU firmwares to EL10 shared manifest

GPU firmwares are split into their own package in CentOS Stream 10.
Move those packages to an Enterprise Linux 10 only manifest to prepare
for that change.

manifests/fedora-coreos-base.yaml

@@ -13,6 +13,7 @@ include:
   # See https://github.com/coreos/bootupd
   - bootupd.yaml
   - shared-el9.yaml
+  - shared-el10.yaml
 ostree-layers:
   - overlay/05core
   - overlay/08nouveau
@@ -156,8 +157,6 @@ packages:
   # In F35+ need `iptables-legacy` package
   # See https://github.com/coreos/fedora-coreos-tracker/issues/676#issuecomment-928028451
   - iptables-legacy
-  # GPU Firmware files (not broken out into subpackage of linux-firmware in RHEL yet)
-  - amd-gpu-firmware intel-gpu-firmware nvidia-gpu-firmware
 
 
 # - irqbalance

manifests/shared-el10.yaml

@@ -0,0 +1,4 @@
+# Shared with EL 10 (CentOS Stream 10 and RHCOS 10) only
+packages:
+  # GPU Firmware files (not broken out into subpackage of linux-firmware in RHEL yet)
+  - amd-gpu-firmware intel-gpu-firmware nvidia-gpu-firmware