revert some definitions from 1282:0462cc0046e3
revert some definitions from 1282:0462cc0046e3

Compiling for ARM resulted in:
In file included from ../src/kernel/arch/omap44xx/omap_uart.c:21:0:
./armv7/include/dev/omap/omap_uart_dev.h: In function 'omap_uart_THR__anon8_rdf':
./armv7/include/dev/omap/omap_uart_dev.h:3331:5: error: implicit declaration of function 'omap_uart_THR__anon8_extract' [-Werror=implicit-function-declaration]
./armv7/include/dev/omap/omap_uart_dev.h: In function 'omap_uart_RHR__anon8_rdf':
./armv7/include/dev/omap/omap_uart_dev.h:3414:5: error: implicit declaration of function 'omap_uart_RHR__anon8_extract' [-Werror=implicit-function-declaration]
[ ... and many more ...]

This change seems to fix this problem.

linusyang/barrelfish,kishoredbn/barrelfish,utsav2601/cmpe295A,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,mslovy/barrelfish,8l/barrelfish,utsav2601/cmpe295A,utsav2601/cmpe295A,8l/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,8l/barrelfish,8l/barrelfish,kishoredbn/barrelfish,linusyang/barrelfish,linusyang/barrelfish,mslovy/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,8l/barrelfish,linusyang/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,linusyang/barrelfish,mslovy/barrelfish