FROMGIT: media: iris: rename sm8250 platform file to gen1

In preparation to adding more Gen1 platforms, which will share a
significant amount of data, rename the SM8250 platform file to
iris_platform_gen1.c.

Link: https://gitlab.freedesktop.org/linux-media/media-committers/-/commit/3b72f5e206e65d57df99677dc3142be913cc2114
Reviewed-by: Konrad Dybcio <[email protected]>
Reviewed-by: Dikshita Agarwal <[email protected]>
Reviewed-by: Vikash Garodia <[email protected]>
Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

drivers/media/platform/qcom/iris/Makefile

@@ -26,7 +26,7 @@ qcom-iris-objs += iris_buffer.o \
              iris_vpu_common.o \
 
 ifeq ($(CONFIG_VIDEO_QCOM_VENUS),)
-qcom-iris-objs += iris_platform_sm8250.o
+qcom-iris-objs += iris_platform_gen1.o
 endif
 
 obj-$(CONFIG_VIDEO_QCOM_IRIS) += qcom-iris.o