feat: update BL31 binary to optimize NS context management

TF-A SPMD no longer performs the save and restore of NS EL1 context
upon world switch. It will be taken care by Hafnium SPMC.

Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Change-Id: Ie51c93bee77e8b5007052688e59e812597902955
diff --git a/linux-aarch64/trusted-firmware-a-spmd/fvp/bl31.bin b/linux-aarch64/trusted-firmware-a-spmd/fvp/bl31.bin
index 03a6005..ca14444 100755
--- a/linux-aarch64/trusted-firmware-a-spmd/fvp/bl31.bin
+++ b/linux-aarch64/trusted-firmware-a-spmd/fvp/bl31.bin
Binary files differ