bus: mhi: host: Fix typos in the comments

Correctly spelled comments make it easier for the reader to understand
the code.

Fix typos:
'Normaly' ==> 'Normally',
'gurantee' ==> 'guarantee',
'guranteed' ==> 'guaranteed'.

Signed-off-by: Yan Zhen <yanzhen@vivo.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20240929090334.524543-1-yanzhen@vivo.com


Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>