vela: Rename Yoda to Ethos-U65

 - Also changed to use Ethos-U where appropriate

Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: Ie45ba2bb3935b305abe897b78b498681296cb7c1
diff --git a/ethosu/vela/compiler_driver.py b/ethosu/vela/compiler_driver.py
index 32eef30..9e1cb3a 100644
--- a/ethosu/vela/compiler_driver.py
+++ b/ethosu/vela/compiler_driver.py
@@ -46,7 +46,7 @@
     """Set of options to change compiler behaviour - verbosity, targets, turning off passes.
 
 Note the difference between ArchitectureFeatures and CompilerOptions
-- ArchitectureFeatures is for changing the Ethos-U55 and system architecture
+- ArchitectureFeatures is for changing the Ethos-U and system architecture
 - CompilerOptions is for changing the behaviour of the compiler
 """