codeowners: drivers: timer: include Kconfig files

Make the timer drivers expression more generic to cover both
implementation and Kconfig files.

Missing drivers were added to pass compliance checks. Owners added based
on maintainership, driver author, etc.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
diff --git a/CODEOWNERS b/CODEOWNERS
index 742f1f2..c18adc7 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -357,20 +357,26 @@
 /drivers/spi/*b91*                        @yurvyn
 /drivers/spi/spi_rv32m1_lpspi*            @karstenkoenig
 /drivers/spi/*esp32*                      @glaubermaroto
-/drivers/timer/apic_timer.c               @dcpleung @nashif
+/drivers/timer/*apic*                     @dcpleung @nashif
 /drivers/timer/apic_tsc.c                 @andyross
-/drivers/timer/arm_arch_timer.c           @carlocaione
-/drivers/timer/cortex_m_systick.c         @anangl
-/drivers/timer/altera_avalon_timer_hal.c  @nashif
-/drivers/timer/riscv_machine_timer.c      @kgugala @pgielda
-/drivers/timer/ite_it8xxx2_timer.c        @ite
-/drivers/timer/xlnx_psttc_timer*          @wjliang @stephanosio
-/drivers/timer/cc13x2_cc26x2_rtc_timer.c  @vanti
-/drivers/timer/cavs_timer.c               @dcpleung
-/drivers/timer/stm32_lptim_timer.c        @FRASTM
-/drivers/timer/leon_gptimer.c             @martin-aberg
-/drivers/timer/rcar_cmt_timer.c           @julien-massot
-/drivers/timer/esp32c3_sys_timer.c        @uLipe
+/drivers/timer/*arm_arch*                 @carlocaione
+/drivers/timer/*cortex_m_systick*         @anangl
+/drivers/timer/*altera_avalon*            @nashif
+/drivers/timer/*riscv_machine*            @kgugala @pgielda
+/drivers/timer/*ite_it8xxx2*              @ite
+/drivers/timer/*xlnx_psttc*               @wjliang @stephanosio
+/drivers/timer/*cc13x2_cc26x2_rtc*        @vanti
+/drivers/timer/*cavs*                     @dcpleung
+/drivers/timer/*stm32_lptim*              @FRASTM
+/drivers/timer/*leon_gptimer*             @martin-aberg
+/drivers/timer/*rcar_cmt*                 @julien-massot
+/drivers/timer/*esp32c3_sys*              @uLipe
+/drivers/timer/*sam0_rtc*                 @bendiscz
+/drivers/timer/*arcv2*                    @ruuddw
+/drivers/timer/*xtensa*                   @dcpleung
+/drivers/timer/*rv32m1_lptmr*             @mbolivar
+/drivers/timer/*nrf_rtc*                  @anangl
+/drivers/timer/*hpet*                     @dcpleung
 /drivers/usb/                             @jfischer-no
 /drivers/usb/device/usb_dc_stm32.c        @ydamigos @loicpoulain
 /drivers/video/                           @loicpoulain