arm64: dts: ti: k3: j721s2/j784s4: Switch to https links

Looks like a couple of http:// links crept in. Use https instead.

While at it, drop unicode encoded character.
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230417225450.1182047-1-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-j721s2.dtsi

@@ -2,7 +2,7 @@
 /*
  * Device Tree Source for J721S2 SoC Family
  *
- * TRM (SPRUJ28 – NOVEMBER 2021) : http://www.ti.com/lit/pdf/spruj28
+ * TRM (SPRUJ28 NOVEMBER 2021): https://www.ti.com/lit/pdf/spruj28
  *
  * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
  *

arch/arm64/boot/dts/ti/k3-j784s4.dtsi

@@ -2,7 +2,7 @@
 /*
  * Device Tree Source for J784S4 SoC Family
  *
- * TRM (SPRUJ43 JULY 2022) : http://www.ti.com/lit/zip/spruj52
+ * TRM (SPRUJ43 JULY 2022): https://www.ti.com/lit/zip/spruj52
  *
  * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
  *