tda19988: add missing blockdriver_announce() call

To provide EDID to fb, the TDA19988 implements the block device
protocol with libblockdriver. To use properly use the library,
blockdriver_announce() should be called by the driver.

Reported by David van Moolenbroek

Change-Id: Id55d159d91502a9afac5c1d4de0fee1e8945b5c1
bmp085: remove duplicate code

A copy and paste error caused a few lines of code to be duplicated.
This patch removes the excess code.

Change-Id: I7313efb537e2a4102fb25ce05782e82ae0c84285