msm: idle-v7: Add a isb between CCSELR write and CCSIDR read

An isb is required after a CCSELR write to ensure that write takes
effect before reading CCSIDR. Without an isb, CCSIDR read could
correspond to a random CCSELR register.

CRs-fixed: 320585
Signed-off-by: Maheshkumar Sivasubramanian <msivasub@codeaurora.org>
Change-Id: Iab75cd5ff98cfdc0eeeb721ccd3b739ae1fcbd70
1 file changed