forked from Imagelibrary/rtems
* shared/can/grcan.c, shared/can/grcan_rasta.c, shared/include/ambapp.h: GRCAN CAN driver. Fixes Interrupt enabling/disabling in the driver, interrupt may not be restored correctly. Implements the baud rate calculation routine. Removed unnecessary printk. Fixed scanning to support GRCAN and GRHCAN hardware. Added GRCAN device number to ambapp.h.