i2c: Can pass IRQ vector constant to irq_enable

I found that I was not getting the i2C interrupt.
When CONFIG_I2C_0_IRQ_DIRECT=y, it is acceptable to just
pass the constant to irq_enable.

See ZEP-1651.

Change-Id: I10955e6d6fe5fdd2dda916c92c8bc8a2e871f41a
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
1 file changed