pwm: renesas-tpu: Remove support for SH7372

Remove support for the SH7372 (SH-Mobile AP4) from the renesas-tpu
driver.

Commit edf4100906044225 ("ARM: shmobile: sh7372 dtsi: Remove Legacy
file") removed this SoC from the kernel in v4.1.

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt

@@ -6,7 +6,6 @@ Required Properties:
     - "renesas,tpu-r8a73a4": for R8A77A4 (R-Mobile APE6) compatible PWM controller.
     - "renesas,tpu-r8a7740": for R8A7740 (R-Mobile A1) compatible PWM controller.
     - "renesas,tpu-r8a7790": for R8A7790 (R-Car H2) compatible PWM controller.
-    - "renesas,tpu-sh7372": for SH7372 (SH-Mobile AP4) compatible PWM controller.
     - "renesas,tpu": for generic R-Car TPU PWM controller.
 
   - reg: Base address and length of each memory resource used by the PWM

drivers/pwm/pwm-renesas-tpu.c

@@ -455,7 +455,6 @@ static const struct of_device_id tpu_of_table[] = {
 	{ .compatible = "renesas,tpu-r8a73a4", },
 	{ .compatible = "renesas,tpu-r8a7740", },
 	{ .compatible = "renesas,tpu-r8a7790", },
-	{ .compatible = "renesas,tpu-sh7372", },
 	{ .compatible = "renesas,tpu", },
 	{ },
 };