cxgb4: update firmware to revision 1.15.37.0

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>

WHENCE

@@ -572,9 +572,11 @@ Found in hex form in kernel source.
 Driver: cxgb4 - Chelsio Terminator 4/5 1G/10/40G Ethernet adapter
 
 File: cxgb4/t4fw-1.14.4.0.bin
-Link: cxgb4/t4fw.bin -> t4fw-1.14.4.0.bin
+File: cxgb4/t4fw-1.15.37.0.bin
+Link: cxgb4/t4fw.bin -> t4fw-1.15.37.0.bin
 File: cxgb4/t5fw-1.14.4.0.bin
-Link: cxgb4/t5fw.bin -> t5fw-1.14.4.0.bin
+File: cxgb4/t5fw-1.15.37.0.bin
+Link: cxgb4/t5fw.bin -> t5fw-1.15.37.0.bin
 File: cxgb4/aq1202_fw.cld
 File: cxgb4/bcm8483.bin
 

cxgb4/t4fw.bin

-t4fw-1.14.4.0.bin
\ No newline at end of file
+t4fw-1.15.37.0.bin
\ No newline at end of file

cxgb4/t5fw.bin

-t5fw-1.14.4.0.bin
\ No newline at end of file
+t5fw-1.15.37.0.bin
\ No newline at end of file