spi_qsd: correct bam parameters type

Bam parameter variable types for physical address
and handles are defined incorrectly for 64 bit bam.

Correct the variable types.

CRs-Fixed: 622639
Change-Id: Ia886406dd4a43b6f2eaa584a7deb717da5618e81
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>