ASoC: bolero: Remove unwanted logs at bootup

Correct name of widgets for tx macro from
TX SWR_MIC to TX SWR_DMIC. Also assign codec pointer
to rx_priv before calling rx_macro_init_bcl_pmic_reg.

Change-Id: I268d79413c53bcd2d8e7a391859b71b7a7e3f64e
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>