ASoC: msm: Load ADSP image during bootup

On 8064, ADSP image is loaded when pcm_open is
called for the first time. This caused the first
audio playback to be delayed. To fix this, adsp_loader
is modified to load ADSP firmware using pil.

Bug: 8204207

Change-Id: I8bf0e74a46b681c7458cbe500f9869e87f36bd8c
Signed-off-by: Alexy Joseph <alexyj@codeaurora.org>
Signed-off-by: Mekala Natarajan <mekalan@codeaurora.org>
Signed-off-by: Vineeta Srivastava <vsrivastava@google.com>
Signed-off-by: Ed Tam <etam@google.com>