drivers: bmp581: Add BMP581 driver

This commit adds source and header files required for bmp581 I2C driver.
I have used bmp581_user.h to add more usage related definitions
but bmp581.h to add hardware related definitions.

Signed-off-by: Talha Can Havadar <havadartalha@gmail.com>
Signed-off-by: Gerhard Jörges <joerges@metratec.com>
9 files changed