staging:rtl8192u: Rename EEPROM_Default_ThermalMeter - Style

Rename the constant EEPROM_Default_ThermalMeter to
EEPROM_DEFAULT_THERNAL_METER, this change clears the checkpatch
issue with CamelCase naming.

This is purely a coding style change which should have no impact
on runtime code execution.

Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>