staging: emxx_udc: remove local TRUE/FALSE definition

As the function argument and variables are defined as type 'bool',
remove local TRUE/FALSE define and change usage of those macros
with boolean value.

Signed-off-by: Saiyam Doshi <saiyamdoshi.in@gmail.com>
Link: https://lore.kernel.org/r/20190908175247.GA20699@SD


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>