Fix pciids recipe.

The wrong variable was being used in the build script.

Signed-off-by: Wren Turkal <wt@penguintechs.org>

recipes/pciids/recipe.toml

@@ -5,5 +5,5 @@ git = "https://github.com/pciutils/pciids.git"
 template = "custom"
 script = """
 install -d "${COOKBOOK_STAGE}/share/misc/"
-install "${COOKBOOK_BUILD}"/pci.ids "${COOKBOOK_STAGE}/share/misc/"
+install "${COOKBOOK_SOURCE}"/pci.ids "${COOKBOOK_STAGE}/share/misc/"
 """