Removed dead code, corrected comments, print uart settings in MVF Serial Driver
MVF Serial Driver Improvements to fix the sysvinit console hang issue.
Support for setting TX clear-to-send in set modem CTRL in MVF Serial Driver
Fixed the uart_tasklet_action NULL pointer deference panic in MVF Serial Driver
Disabled EDMA in UART Configuration to prevent jumbled characters on serial port with Sysvinit.
Fixed a panic seen as soon as you type a character on the terminal when EDMA is disabled in UART config. The receive interrupt was attempting to schedule a work queue only defined if EDMA is enabled.

kernel BUG at kernel/workqueue.c:1037!
Unable to handle kernel NULL pointer dereference at virtual address 00000000