This patch updates the irq numbers on sh7377/G4EVM
to make use of evt2irq() and intcs_evt2irq().

Makes the system cope with an updated INTCS_VECT_BASE.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>