defaults: Add bq25890 and tps6598x modules to initramfs

This lets PD, OTG and DP work early in the boot process.
5 jobs for initramfs in 4 minutes and 1 second (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #367498
librem5
shellcheck

00:00:07

 
  Package
passed #367499
librem5
package-pureos-byzantium

00:00:37

passed #367500
librem5:arm64
package-pureos-byzantium:arm64

00:02:05

 
  Test Package
passed #367501
librem5
autopkgtest-pureos-byzantium-package

00:03:14

passed #367502
librem5
lintian-pureos-byzantium-package

00:00:46