flashrom.8.tmpl: add missing chip for ft2232_spi programmer

FTDI FT4233H chip was added in commit
bc2e3b6b79dd1383cdf3d965df2fc5c0d6596b02

Change-Id: Id25f6444bfe871f7b01ae2caff23ce973b44567a
Signed-off-by: Alexander Goncharov <chat@joursoir.net>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/73261
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl
index db2edb1..87a9587 100644
--- a/flashrom.8.tmpl
+++ b/flashrom.8.tmpl
@@ -791,7 +791,7 @@
 .SS
 .BR "ft2232_spi " programmer
 .IP
-This module supports various programmers based on FTDI FT2232/FT4232H/FT232H chips including the DLP Design
+This module supports various programmers based on FTDI FT2232/FT4232H/FT4233H/FT232H chips including the DLP Design
 DLP-USB1232H, openbiosprog-spi, Amontec JTAGkey/JTAGkey-tiny/JTAGkey-2, Dangerous Prototypes Bus Blaster,
 Olimex ARM-USB-TINY/-H, Olimex ARM-USB-OCD/-H, OpenMoko Neo1973 Debug board (V2+), TIAO/DIYGADGET USB
 Multi-Protocol Adapter (TUMPA), TUMPA Lite, GOEPEL PicoTAP, Google Servo v1/v2, Tin Can Tools