Fix the definitioin of AT91SAM9G45_IRQ_PIOE and rename it to
AT91SAM9G45_IRQ_PIODE.  According to the data sheet, both PIOD and PIOE
use the same IRQ.

While here remove duplicate definitions.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@272213 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f