Pending bit gets cleared by writing 1 into it, so don't use the previous
value and just write the line bit offset instead.
Change-Id: I4c88016bf53327b2670a144d3b994945f26fc002
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>¬
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>