i2c: xiic: Remove busy loop while waiting for bus busy
i2c: xiic: Remove busy loop while waiting for bus busy

Remove the busy loop  while waiting for bus busy.
Instead let the processor sleep.

Signed-off-by: Shubhrajyoti Datta <c0c4b1b9bfcc6a44183ccedda5237b4701884075@xilinx.com>
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs