msm: ultrasound: add verifications of some input parameters
msm: ultrasound: add verifications of some input parameters

Some security vulnerabilities were found.
To fix them, additional verifications of some input parameters
are required.

CRs-Fixed: 554575, 554560, 555030
Change-Id: Ie87a433bcda89c3e462cfd511c168e8306056020
Signed-off-by: Baruch Eruchimovitch <570a5c30cf34c8c1272c0f84af6c31306d5759b4@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas