Merge version 14+rpi1 and 15 to produce 15+rpi1

diff --cc debian/changelog
index 248fcc4241ea3c9cba5db8874963c45413786122,4bdd825b465f8656121441ede889ac83441a7829..499d06df8a3d386253a74ee564cb0b25a38977ac
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,9 +1,16 @@@
- gcc-10-cross (14+rpi1) bullseye-staging; urgency=medium
++gcc-10-cross (15+rpi1) bullseye-staging; urgency=medium
 +
 +  [changes brought forward from 11+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 24 Sep 2020 23:26:27 +0000]
 +  * Build sufficient cross-compilers on armhf to build u-boot.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sat, 19 Dec 2020 14:21:20 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Thu, 21 Jan 2021 22:54:12 +0000
++
+ gcc-10-cross (15) unstable; urgency=medium
+ 
+   * Build using gcc 10.2.1-6.
+   * Build-depend on time.
+ 
+  -- Matthias Klose <doko@debian.org>  Sun, 10 Jan 2021 23:32:54 +0100
  
  gcc-10-cross (14) unstable; urgency=medium
  

diff --cc debian/control
Simple merge

diff --cc debian/rules
Simple merge