qla2xxx: Add acquiring of risc semaphore before doing ISP reset.

qla2xxx: Add acquiring of risc semaphore before doing ISP reset.

Before performing ISP reset, attempt to acquire the RISC semaphore;
this attempts to avoid killing the I2C access state of the other PCI function.

Try to acquire the semaphore; if semaphore is hung then acquire it by force.

The ISP reset clears the semaphore, thereby implicitly releasing it.

JIRA Key: V2632FC-289

Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Acked-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Acked-by; Chad Dupuis <chad.dupuis@qlogic.com>

Signed-off-by: Jerry Snitselaar <jerry.snitselaar@oracle.com>