pvr: split idep_pco_uscgen_programs_h in two

When we do multiarch, we want to be able to refer to the headers
separately from the sources here, so let's split this dependency in two.

Reviewed-by: Ashish Chauhan <ashish.chauhan@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38423>

src/imagination/pco/uscgen/meson.build

@@ -40,11 +40,16 @@ pco_uscgen_programs = custom_target(
   env: ['PCO_DEBUG=no_pred_cf'],
 )
 
-idep_pco_uscgen_programs_h = declare_dependency(
-  sources : [pco_uscgen_programs],
+idep_pco_uscgen_programs_headers = declare_dependency(
+  sources : [pco_uscgen_programs[0]],
   include_directories : include_directories('.'),
 )
 
+idep_pco_uscgen_programs = declare_dependency(
+  sources : [pco_uscgen_programs],
+  dependencies : idep_pco_uscgen_programs_headers,
+)
+
 ###
 
 libpowervr_uscgen = static_library(

src/imagination/vulkan/meson.build

@@ -68,7 +68,7 @@ pvr_deps = [
   dep_libdrm,
   dep_valgrind,
   idep_mesautil,
-  idep_pco_uscgen_programs_h,
+  idep_pco_uscgen_programs,
   idep_vulkan_runtime,
   idep_vulkan_util,
   idep_vulkan_wsi,