Fix typo in #define name

Author: lurch

src/rp2_common/pico_stdio_usb/include/pico/stdio_usb.h

@@ -74,8 +74,8 @@
 // PICO_CONFIG: PICO_STDIO_USB_RESET_BOOTSEL_ACTIVITY_LED, Optionally define a pin to use as bootloader activity LED when BOOTSEL mode is entered via USB (either VIA_BAUD_RATE or VIA_VENDOR_INTERFACE), type=int, min=0, max=47 on RP2350B, 29 otherwise, group=pico_stdio_usb
 
 // PICO_CONFIG: PICO_STDIO_USB_RESET_BOOTSEL_ACTIVITY_LED_ACTIVE_LOW, Whether pin to use as bootloader activity LED when BOOTSEL mode is entered via USB (either VIA_BAUD_RATE or VIA_VENDOR_INTERFACE) is active low, type=bool, default=0, group=pico_stdio_usb
-#ifndef PICO_STDIO_USB_RESET_BOOTSEL_FIXED_ACTIVITY_LED_ACTIVE_LOW
-#define PICO_STDIO_USB_RESET_BOOTSEL_FIXED_ACTIVITY_LED_ACTIVE_LOW 0
+#ifndef PICO_STDIO_USB_RESET_BOOTSEL_ACTIVITY_LED_ACTIVE_LOW
+#define PICO_STDIO_USB_RESET_BOOTSEL_ACTIVITY_LED_ACTIVE_LOW 0
 #endif
 
 // PICO_CONFIG: PICO_STDIO_USB_RESET_BOOTSEL_FIXED_ACTIVITY_LED, Whether the pin specified by PICO_STDIO_USB_RESET_BOOTSEL_ACTIVITY_LED is fixed or can be modified by picotool over the VENDOR USB interface, type=bool, default=0, group=pico_stdio_usb