Update CHANGELOG and picolibc version

Author: amilendra

CHANGELOG.md

@@ -7,10 +7,16 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [Unreleased]
 
 ## [17.0.1]
+### Added
+- Added single precision library variants for Armv8.1-M.
+
 ### Fixed
 - clang generating incorrect FPU directives for Armv8.1-M CPUs (#301)
 - Multilib incorrectly selecting multiple library variants. (#307)
 
+### Changed
+- Added explicit -mfpu flags when building library variants
+
 ## [preview-17.0.0]
 
 ### Fixed

versions.json

@@ -13,7 +13,7 @@
     },
     "picolibc": {
       "tagType": "commithash",
-      "tag": "41a688944d6f4fc4e5c03c0ad0301b0b4e8f6899 "
+      "tag": "6824f76769a29af27719954898b5210e070b2b5c"
     }
   }
 }