CODEOWNERS: Add codeowner for TI CC13x2 / CC26x2 files

Add myself as codeowner for TI CC13x2 / CC26x2 related files.

Signed-off-by: Brett Witherspoon <spoonb@cdspooner.com>
diff --git a/CODEOWNERS b/CODEOWNERS
index 5b5d8c4..eda1887 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -19,6 +19,7 @@
 /soc/arm/nordic_nrf/                      @ioannisg
 /soc/arm/st_stm32/                        @erwango
 /soc/arm/st_stm32/stm32f4/                @rsalveti @idlethread
+/soc/arm/ti_simplelink/cc13x2_cc26x2/     @bwitherspoon
 /soc/arm/ti_simplelink/cc32xx/            @vanti
 /soc/arm/ti_simplelink/msp432p4xx/        @Mani-Sadhasivam
 /soc/xtensa/intel_s1000/                  @sathishkuttan @dcpleung
@@ -48,6 +49,8 @@
 /boards/arm/96b_stm32_sensor_mez/         @Mani-Sadhasivam
 /boards/arm/96b_wistrio/                  @Mani-Sadhasivam
 /boards/arm/arduino_due/                  @ioannisg
+/boards/arm/cc1352r1_launchxl/            @bwitherspoon
+/boards/arm/cc26x2r1_launchxl/            @bwitherspoon
 /boards/arm/cc3220sf_launchxl/            @vanti
 /boards/arm/curie_ble/                    @jhedberg
 /boards/arm/disco_l475_iot1/              @erwango
@@ -88,6 +91,7 @@
 /doc/scripts/                             @carlescufi
 /doc/guides/bluetooth/                    @sjanc @jhedberg @Vudentz
 /doc/reference/bluetooth/                 @sjanc @jhedberg @Vudentz
+/drivers/*/*cc13xx_cc26xx*                @bwitherspoon
 /drivers/*/*mcux*                         @MaureenHelm
 /drivers/*/*qmsi*                         @nashif
 /drivers/*/*stm32*                        @erwango
@@ -138,6 +142,8 @@
 /drivers/wifi/eswifi/                     @loicpoulain
 /dts/arm/atmel/samr21.dtsi                @benpicco
 /dts/arm/st/                              @erwango
+/dts/arm/ti/cc13?2*                       @bwitherspoon
+/dts/arm/ti/cc26?2*                       @bwitherspoon
 /dts/arm/nordic/                          @ioannisg @carlescufi
 /dts/arm/nxp/                             @MaureenHelm
 /dts/arm/microchip/                       @franciscomunoz @albertofloyd @scottwcpg