Documentation: Update documenation for Infineon boards

	-Update formatting and contents of index.rst for cy8ckit_062s4
	-Update formatting and contents of index.rst for cy8ckit_064s0s2_4343w
	-Update formatting and contents of index.rst for cy8cproto_062_4343w
	-Update formatting and contents of index.rst for cy8cproto_063_ble
	-Update formatting and contents of index.rst for xmc45_relax_kit
	-Update formatting and contents of index.rst for xmc47_relax_kit
	-Change all instances of "PSoC" to "PSOC" for infineon platforms

Signed-off-by: McAtee Maxwell <maxwell.mcatee@infineon.com>