installer: hikey960: update sec_xloader, lpm3, and fastboot.img

HiSilicon updated binaries. Power management and thermal issue is fixed.
Also, starting from this version, it can support ATF/UEFI.

Change log:
-    Increase PMU SSI Interface CLK gpio drive strength
-    fastboot get partition length error after erase all
-    solve xloader rebooting in ddr_init
-    add iomcu subsys initial in xloader
-    add ddr and acpu init in xloader and lpm3

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Tested-by: John Stultz <john.stultz@linaro.org>
diff --git a/installer/hikey960/fastboot.img b/installer/hikey960/fastboot.img
index 18e53fd..3dcbc2a 100644
--- a/installer/hikey960/fastboot.img
+++ b/installer/hikey960/fastboot.img
Binary files differ
diff --git a/installer/hikey960/lpm3.img b/installer/hikey960/lpm3.img
index 92f590d..c35a193 100644
--- a/installer/hikey960/lpm3.img
+++ b/installer/hikey960/lpm3.img
Binary files differ
diff --git a/installer/hikey960/sec_xloader.img b/installer/hikey960/sec_xloader.img
index b44b6a1..84fa624 100644
--- a/installer/hikey960/sec_xloader.img
+++ b/installer/hikey960/sec_xloader.img
Binary files differ