Accepting request 975516 from home:matwey:gcc-pru

- Add initial support for TI PRU architecture. This is used for real-time
  coprocessor of BeagleBone Black (JeOS-beaglebone)

OBS-URL: https://build.opensuse.org/request/show/975516
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/newlib?expand=0&rev=28

_multibuild

@@ -1,6 +1,7 @@
 <multibuild>
   <package>arm-none</package>
   <package>epiphany</package>
+  <package>pru</package>
   <package>riscv64</package>
   <package>rx</package>
 </multibuild>