Пакет rpm-macros-qt5-webengine: Изменения

- %qt5_qtwebengine_arches: add ppc64le architecture.

Ветки
sisyphus	0.4-alt1
sisyphus_e2k	0.4-alt1
sisyphus_mipsel	0.5-alt0.mips1
sisyphus_riscv64	0.3-alt1
p10	0.4-alt1
p10_e2k	0.4-alt1
p9	0.2-alt1
p9_e2k	0.2-alt1
p9_mipsel	0.2-alt1
p8	—
c9f2	0.2-alt1
c7	—