PKGBUILD: Add the PDS scheduler to $_cpusched

This provides an easier way to use the PDS scheduler along with the CachyOS patchset. While it is very likely that we will
not compile this for our repositories, it can be useful for the users that care about PDS.

Signed-off-by: Eric Naim <dnaim@cachyos.org>

Author: 1Naim

linux-cachyos-rc/PKGBUILD

@@ -15,6 +15,7 @@ _cachy_config=${_cachy_config-y}
 # ATTENTION - only one of the following values can be selected:
 # 'bore' - select 'Burst-Oriented Response Enhancer'
 # 'bmq' - select 'BMQ Scheduler'
+# 'pds' - select 'PDS scheduler'
 # 'eevdf' - select 'EEVDF Scheduler'
 _cpusched=${_cpusched-bore}
 
@@ -263,7 +264,7 @@ fi
 case "$_cpusched" in
     bore) # CachyOS Scheduler (BORE)
         source+=("${_patchsource}/sched/0001-bore-cachy.patch");;
-    bmq) ## Project C Scheduler
+    bmq|pds) ## Project C Scheduler
         source+=("${_patchsource}/sched/0001-prjc-cachy.patch");;
 esac
 
@@ -327,6 +328,7 @@ prepare() {
     case "$_cpusched" in
         bore) scripts/config -e SCHED_BORE;;
         bmq) scripts/config -e SCHED_ALT -e SCHED_BMQ;;
+        pds) scripts/config -e SCHED_ALT -e SCHED_PDS;;
         eevdf) ;;
         *) _die "The value $_cpusched is invalid. Choose the correct one again.";;
     esac