release SDK 1.5.0

Author: kilograham

pico_sdk_version.cmake

@@ -9,7 +9,7 @@ set(PICO_SDK_VERSION_MINOR 5)
 set(PICO_SDK_VERSION_REVISION 0)
 # PICO_BUILD_DEFINE: PICO_SDK_VERSION_PRE_RELEASE_ID, optional SDK pre-release version identifier, type=string, group=pico_base
 # PICO_CMAKE_CONFIG: PICO_SDK_VERSION_PRE_RELEASE_ID, optional SDK pre-release version identifier, type=string, group=pico_base
-set(PICO_SDK_VERSION_PRE_RELEASE_ID develop)
+#set(PICO_SDK_VERSION_PRE_RELEASE_ID develop)
 
 # PICO_BUILD_DEFINE: PICO_SDK_VERSION_STRING, SDK version, type=string, group=pico_base
 # PICO_CMAKE_CONFIG: PICO_SDK_VERSION_STRING, SDK version, type=string, group=pico_base