Fix defining FEATURE_UPDATE_STA_MAC_ADDR

In this commit the define FEATURE_UPDATE_STA_MAC_ADDR
is defined as:
L_CFLAGS += -DFEATURE_UPDATE_STA_MAC_ADDR
Instead of:
FEATURE_UPDATE_STA_MAC_ADDR=y

Since the current define does not take effect in the code,
and resulting in failure to connect with WPA2 networks with
MAC Randomization enabled.

Bug: 166194265
Test: Succeed to connect to WPA2 network with MAC randomization enabled
Change-Id: I754db71946ae3c09021620a5c8a9bb78cdc36837
Merged-In: I754db71946ae3c09021620a5c8a9bb78cdc36837
1 file changed