cxgb3: Wait longer for control packets on initialization
cxgb3: Wait longer for control packets on initialization

In some Power7 platforms, when using VIOS (Virtual I/O Server), we
need to wait longer for control packets to finish transfer during
initialization.
Without this change, initialization may fail prematurely.

Signed-off-by: Wen Xiong <3f05dffe35fb464944196f1f9341b62f07cb8996@us.ibm.com>
Signed-off-by: Andre Detsch <add333c44624086cdd67f8a98538dfa73371ba2f@br.ibm.com>
Acked-by: Divy Le Ray <c440f8554972344360c4411616466cde120c39c9@chelsio.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs