hw/ppc/ppc440_pcix: Move ppc440_pcix.c to hw/pci-host/

ppc440_pcix.c is moved from the target specific ppc_ss[] meson
source set to pci_ss[] which is common to all targets: the
object is built once.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240215105017.57748-5-philmd@linaro.org>
diff --git a/hw/ppc/meson.build b/hw/ppc/meson.build
index d0efc0a..da14fcc 100644
--- a/hw/ppc/meson.build
+++ b/hw/ppc/meson.build
@@ -60,7 +60,7 @@
   'ppc405_uc.c'))
 ppc_ss.add(when: 'CONFIG_PPC440', if_true: files(
   'ppc440_bamboo.c',
-  'ppc440_pcix.c', 'ppc440_uc.c'))
+  'ppc440_uc.c'))
 ppc_ss.add(when: 'CONFIG_PPC4XX', if_true: files(
   'ppc4xx_devs.c',
   'ppc4xx_sdram.c'))