configs: uppercase woodpecker_xyzab GEOMETRY value

GEOMETRY is uppercased at parse time (axis.py, gremlin), so this is a
cosmetic change to match the uppercase convention used across the INI
files and this config's own COORDINATES = XYZAB.

Addresses review feedback on PR #4092.

Author: PeterStolz

configs/sim/woodpecker/woodpecker_xyzab.ini

@@ -11,7 +11,7 @@ DISPLAY = qtvcp -f woodpecker
 PREFERENCE_FILE_PATH = WORKINGFOLDER/woodpecker.pref
 POSITION_OFFSET = RELATIVE
 POSITION_FEEDBACK = ACTUAL
-GEOMETRY = xyzab
+GEOMETRY = XYZAB
 GRIDS = 10mm 20mm 50mm 100mm 1in 2in 5in 10in
 MAX_FEED_OVERRIDE  = 1.2
 #spindle