bcwc_pcie: Implement one_re_fifo

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
bcwc_pcie: Implement re_byte_fifo

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
bcwc_pcie: Add register hint

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
bcwc_pcie: Move DDR calibration to it's own file

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
bcwc_pcie: Rename DDR functions

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
bcwc_pcie: Always do pci post when writing S2 regs

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>