* To set iiDMA speeds for ISP81XX, bits 5-0 are used whereas for
  other older ISPs bits 2-0 are used.
* Pass proper VP index
Signed-off-by: NHarish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: NAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>