dt-bindings: interconnect: qcom,sa8775p-rpmh: fix a typo

dt-bindings: interconnect: qcom,sa8775p-rpmh: fix a typo

The name of the chip is sa8775p, not sa8875p.

Reported-by: Eric Chanudet <echanude@redhat.com>
Link: https://lore.kernel.org/lkml/20230126203618.nbqwppaddncq7on7@echanude/
Fixes: 2579af94c813 ("dt-bindings: interconnect: qcom: document the interconnects for sa8775p")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20230127092615.39690-1-brgl@bgdev.pl
Signed-off-by: Georgi Djakov <djakov@kernel.org>