Accepting request 546543 from home:bfrogers:branches:Virtualization

Remove SDL support for SLE15 usage (still supported for openSUSE, for now) - see fate#324465.
Fix skiboot.lib build issue
Address python compatibility issue.

OBS-URL: https://build.opensuse.org/request/show/546543
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=376

supported.x86.txt

@@ -109,8 +109,8 @@ Major QEMU/KVM Supported Features
   direct hugetlb usage. Physical PCI and USB devices may also be passed through
   to the guest, including SR-IOV VF's.
 
-- The guest UI is accessable via GTK, SDL, VNC, Spice, and serial (including
-  curses TUI) interfaces.
+- The guest UI is accessable via GTK, VNC, Spice, and serial (including curses
+  TUI) interfaces.
 
 - Guest timekeeping is supported in a variety of ways, including a paravirtual
   clocksource, and options for the various guest clocks for how to handle the
@@ -213,6 +213,8 @@ Deprecated, Superseded, Modified and Dropped Features
 
 - These previously supported command line options are no longer recognized:
   -device pc-sysfw (no longer needed)
+  -display sdl
+  -sdl
 
 - Specifying a cpu feature with both "+feature/-feature" and "feature=on/off"
   will now cause a warning. The current behavior for this combination where
@@ -401,7 +403,6 @@ QEMU Command-Line and Monitor Syntax and Support
   -s
   -S
   -sandbox ...
-  -sdl
   -serial ...
   -show-cursor
   -smbios ...
@@ -708,6 +709,7 @@ QEMU Command-Line and Monitor Syntax and Support
   -qtest-log ...
   -rotate
   -sd file
+  -sdl
   -set ...
   -singlestep
   -snapshot