meta-nuvoton: npcm8xx-tip-fw: update to 0.5.6.0.4.5

Changelog:

TIP_FW 0.5.6 L0 0.4.5 L1
==============
* Avoid forcing sig check on BMC images

TIP_FW 0.5.5 L0 0.4.4 L1
==============
* tip_mbx: reconfig the uart after BMC is up (singleton).
* recovery: warn the user and give them curtesy 10 seconds.
* bug fix: flash: wrong init fiu and cs in xfer.
* bug fix: flash: support single flash mode. tested on 4MB and 16MB.

TIP_FW 0.5.4 L0 0.4.3 L1
==============
* bmc_reset: if BMC init fails reset the TIP.
* reinitialized the SPI in case Linux changed settings of flash.
* update reset indication: bug fix handle only in PORST.
* print reset type in bmc reset too.
* in secondary reset clear RESSR and TIP_SCR1 and update INTCR2
  to show only latest reset.

TIP FW 0.5.4 L0 0.4.3 L1 GOOGLE5
==============
* derived from TIP FW 0.5.4 L0 0.4.3 L1.

Tested:
buid pass and boot up successful with correct TIP FW latest version.

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Change-Id: I6a84525d18c85e789075baf741002df8f15e1837
diff --git a/meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.3.0.4.2.bb b/meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.6.0.4.5.bb
similarity index 63%
rename from meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.3.0.4.2.bb
rename to meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.6.0.4.5.bb
index 53c47b9..d6ac402 100644
--- a/meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.3.0.4.2.bb
+++ b/meta-nuvoton/recipes-bsp/images/npcm8xx-tip-fw_0.5.6.0.4.5.bb
@@ -1,4 +1,4 @@
-SRCREV = "e9bc9838f49402c185bf987dab362e5a938cdd5a"
+SRCREV = "e77ac50935dc20e042ac96f932ae2629d655b068"
 
 OUTPUT_BIN = "output_binaries_${DEVICE_GEN}_${IGPS_MACHINE}"