MISRAC has requirements about literal value requires a U suffix and
signed/unsigned conversion with cast. This patch is used to solve
these violations.
v1->v2
*Drop the cast of sz from uint32_t to int32_t, the signed/unsigned
violation of nchars will be solved by other patch together with
printf/sprintf/console/vuart/uart code.
*Delete the unnecessary L suffix of shifting operand.
Tracked-On: #861
Signed-off-by: Junjun Shan <junjun.shan@intel.com>
Reviewed by: Junjie Mao <junjie.mao@intel.com>