ARM: dts: decrease max BW cap for low kbps to 1.1 Ghz on 8226

Decrease the max BW check to 1.1 Ghz from 1.66 Ghz as recommended
based on the new set of bandwidth calculations.

Change-Id: I409c778ceb857560c25eb71e0fb875108e8725b1
Signed-off-by: Anusha Koduru <kanusha@codeaurora.org>