postmarketos-splash: implement landscape image creation

This actually implement the creation of the images in landscape mode.

The parameter was already present, just the implementation was missing.

main/postmarketos-splash/APKBUILD

 pkgname=postmarketos-splash
-pkgver=2
+pkgver=3
 pkgrel=0
 pkgdesc="Splash screen for postmarketOS"
 url="https://gitlab.com/postmarketos"
@@ -20,6 +20,6 @@ package() {
 		"$pkgdir"/usr/share/fonts/ttf-pmos/pmos.ttf
 }
 
-sha512sums="580c96501137bbd606ee0a946ac057777a1f07e780d84e40bfb7909db09d2704d308373baea6e25fde50866918e169070c0842893732c5fd339cc1f0c329f85a  make-splash.py
+sha512sums="e731405d1c3eae265058d2a9f32286b36aa614d26fa86b915bef006b157008fb83c22031d1cffac5034d50d92cdf1d39f4148b46d249fc5db0db67a3a1bdfb7d  make-splash.py
 cdde481bf7c68840515b839d974dd1dddfb37551a2939780e13dce11331f7d1964043de48f8902a30372e9fc9f042bd4ee133e2098694739c452a76b70e97111  config.ini
 81e5df350bf7f435ab5480f7028fc3cabf5a947fa0dff1ed219f6d9ac18a1250f5114887a9f5f270cc699af48cd77f23d14a84578ac8d2d0f3a3e90ec3211c45  pmos.ttf"