scripts/install-buildtools: Update to 5.1.1

Update to the 5.1.1 release of the 5.1 series for buildtools.

(From OE-Core rev: 0b746655fcc133db563d791673484c4ca82cda8a)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/install-buildtools

@@ -57,8 +57,8 @@ logger = scriptutils.logger_create(PROGNAME, stream=sys.stdout)
 
 DEFAULT_INSTALL_DIR = os.path.join(os.path.split(scripts_path)[0],'buildtools')
 DEFAULT_BASE_URL = 'https://downloads.yoctoproject.org/releases/yocto'
-DEFAULT_RELEASE = 'yocto-5.1'
-DEFAULT_INSTALLER_VERSION = '5.1'
+DEFAULT_RELEASE = 'yocto-5.1.1'
+DEFAULT_INSTALLER_VERSION = '5.1.1'
 DEFAULT_BUILDDATE = '202110XX'
 
 # Python version sanity check