Update the default core frequency to 1800MHZ for best performance under
SD boot and eMMC boot.
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
#PBL preamble and RCW header
aa55aa55 01ee0100
# RCW
-0c150010 0e000000 00000000 00000000
+0c150012 0e000000 00000000 00000000
11335559 40000012 60040000 c1000000
00000000 00000000 00000000 00238800
20124000 00003000 00000096 00000001
#PBL preamble and RCW header
aa55aa55 01ee0100
# RCW
-0c150010 0e000000 00000000 00000000
+0c150012 0e000000 00000000 00000000
11335559 40005012 60040000 c1000000
00000000 00000000 00000000 00238800
20124000 00003101 00000096 00000001