defconfig: msm8960: disable LEGACY_PTYS

Disable legacy pseudo terminal (PTY) support that is not in use. This
improves boot up time as it avoids creating all the pty and ttyp devices.

Change-Id: I9e988b87ddfa1fa1822c03741a61de27a68662d5
Signed-off-by: Jin Hong <jinh@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 5e90492..bac1123 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -260,6 +260,7 @@
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_UINPUT=y
 CONFIG_INPUT_PMIC8XXX_PWRKEY=y
+# CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_MSM=y
 CONFIG_SERIAL_MSM_HS=y
 # CONFIG_SERIAL_MSM_CLOCK_CONTROL is not set