Use 'PVIMG_PKGDATADIR' as it is used by the 'pvimg_pkg_data' macro rule.
The problem only shows up if someone changes 'PVIMG_PKGDATADIR' to
something different than the default.
Fixes: f4cf4ae6eb ("rust: Add a new tool called 'pvimg'")
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This change is done in preparation for the Rust port of genprotimg.
While at it, format the code using `clang-format`.
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>