sb/intel/i82801gx: Use boolean for ide_enable_{primary,secondary}

Change-Id: Ia71692ecf74fd8921eeafabac9a4cb862da90e81
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70114
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/foxconn/g41s-k/devicetree.cb b/src/mainboard/foxconn/g41s-k/devicetree.cb
index 578f13d..46bb422 100644
--- a/src/mainboard/foxconn/g41s-k/devicetree.cb
+++ b/src/mainboard/foxconn/g41s-k/devicetree.cb
@@ -31,8 +31,8 @@
 			register "gpe0_en" = "0x00000441"
 			register "alt_gp_smi_en" = "0x0000"
 
-			register "ide_enable_primary" = "0x0"
-			register "ide_enable_secondary" = "0x0"
+			register "ide_enable_primary" = "false"
+			register "ide_enable_secondary" = "false"
 			register "sata_ports_implemented" = "0x3"
 
 			register "gen1_dec" = "0x003c0a01" # Super I/O EC and GPIO